* [PATCH v7 01/11] hugetlb: Harmonize hugetlb.h arch specific defines with pgtable.h
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 02/11] hugetlb: Introduce generic version of hugetlb_free_pgd_range Alexandre Ghiti
` (9 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
asm-generic/hugetlb.h proposes generic implementations of hugetlb
related functions: use __HAVE_ARCH_HUGE* defines in order to make arch
specific implementations of hugetlb functions consistent with pgtable.h
scheme.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm64/include/asm/hugetlb.h | 2 +-
include/asm-generic/hugetlb.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index e73f68569624..3fcf14663dfa 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -81,9 +81,9 @@ extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
extern void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep);
+#define __HAVE_ARCH_HUGE_PTE_CLEAR
extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz);
-#define huge_pte_clear huge_pte_clear
extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned long sz);
#define set_huge_swap_pte_at set_huge_swap_pte_at
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 9d0cde8ab716..3da7cff52360 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -32,7 +32,7 @@ static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot)
return pte_modify(pte, newprot);
}
-#ifndef huge_pte_clear
+#ifndef __HAVE_ARCH_HUGE_PTE_CLEAR
static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz)
{
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 02/11] hugetlb: Introduce generic version of hugetlb_free_pgd_range
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 01/11] hugetlb: Harmonize hugetlb.h arch specific defines with pgtable.h Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 03/11] hugetlb: Introduce generic version of set_huge_pte_at Alexandre Ghiti
` (8 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, arm64, mips, parisc, sh, x86 architectures use the
same version of hugetlb_free_pgd_range, so move this generic
implementation into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb.h | 9 ---------
arch/arm64/include/asm/hugetlb.h | 10 ----------
arch/ia64/include/asm/hugetlb.h | 5 +++--
arch/mips/include/asm/hugetlb.h | 13 ++-----------
arch/parisc/include/asm/hugetlb.h | 12 ++----------
arch/powerpc/include/asm/hugetlb.h | 4 +++-
arch/sh/include/asm/hugetlb.h | 12 ++----------
arch/sparc/include/asm/hugetlb.h | 4 +++-
arch/x86/include/asm/hugetlb.h | 8 --------
include/asm-generic/hugetlb.h | 11 +++++++++++
10 files changed, 26 insertions(+), 62 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 7d26f6c4f0f5..537660891f9f 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -27,15 +27,6 @@
#include <asm/hugetlb-3level.h>
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr, unsigned long end,
- unsigned long floor,
- unsigned long ceiling)
-{
- free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
-
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr, unsigned long len)
{
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 3fcf14663dfa..4af1a800a900 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -25,16 +25,6 @@ static inline pte_t huge_ptep_get(pte_t *ptep)
return READ_ONCE(*ptep);
}
-
-
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr, unsigned long end,
- unsigned long floor,
- unsigned long ceiling)
-{
- free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr, unsigned long len)
{
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 74d2a5540aaf..afe9fa4d969b 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -3,9 +3,8 @@
#define _ASM_IA64_HUGETLB_H
#include <asm/page.h>
-#include <asm-generic/hugetlb.h>
-
+#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
unsigned long ceiling);
@@ -70,4 +69,6 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
}
+#include <asm-generic/hugetlb.h>
+
#endif /* _ASM_IA64_HUGETLB_H */
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 982bc0685330..53764050243e 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -10,8 +10,6 @@
#define __ASM_HUGETLB_H
#include <asm/page.h>
-#include <asm-generic/hugetlb.h>
-
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr,
@@ -38,15 +36,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr,
- unsigned long end,
- unsigned long floor,
- unsigned long ceiling)
-{
- free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
@@ -114,4 +103,6 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
}
+#include <asm-generic/hugetlb.h>
+
#endif /* __ASM_HUGETLB_H */
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 58e0f4620426..28c23b68d38d 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -3,8 +3,6 @@
#define _ASM_PARISC64_HUGETLB_H
#include <asm/page.h>
-#include <asm-generic/hugetlb.h>
-
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
@@ -32,14 +30,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr, unsigned long end,
- unsigned long floor,
- unsigned long ceiling)
-{
- free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
@@ -71,4 +61,6 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
}
+#include <asm-generic/hugetlb.h>
+
#endif /* _ASM_PARISC64_HUGETLB_H */
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 2d00cc530083..2ab028b73a43 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -4,7 +4,6 @@
#ifdef CONFIG_HUGETLB_PAGE
#include <asm/page.h>
-#include <asm-generic/hugetlb.h>
extern struct kmem_cache *hugepte_cache;
@@ -110,6 +109,7 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma,
void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
#endif
+#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
unsigned long ceiling);
@@ -176,6 +176,8 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
}
+#include <asm-generic/hugetlb.h>
+
#else /* ! CONFIG_HUGETLB_PAGE */
static inline void flush_hugetlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 735939c0f513..f6a51b609409 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -4,8 +4,6 @@
#include <asm/cacheflush.h>
#include <asm/page.h>
-#include <asm-generic/hugetlb.h>
-
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr,
@@ -27,14 +25,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr, unsigned long end,
- unsigned long floor,
- unsigned long ceiling)
-{
- free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
@@ -85,4 +75,6 @@ static inline void arch_clear_hugepage_flags(struct page *page)
clear_bit(PG_dcache_clean, &page->flags);
}
+#include <asm-generic/hugetlb.h>
+
#endif /* _ASM_SH_HUGETLB_H */
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 300557c66698..59d89b52ccb7 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -3,7 +3,6 @@
#define _ASM_SPARC64_HUGETLB_H
#include <asm/page.h>
-#include <asm-generic/hugetlb.h>
#ifdef CONFIG_HUGETLB_PAGE
struct pud_huge_patch_entry {
@@ -84,8 +83,11 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
}
+#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
unsigned long ceiling);
+#include <asm-generic/hugetlb.h>
+
#endif /* _ASM_SPARC64_HUGETLB_H */
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 5ed826da5e07..398da3b3414c 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,14 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr, unsigned long end,
- unsigned long floor,
- unsigned long ceiling)
-{
- free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 3da7cff52360..c697ca9dda18 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -40,4 +40,15 @@ static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
}
#endif
+#ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
+static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
+ unsigned long addr, unsigned long end,
+ unsigned long floor, unsigned long ceiling)
+{
+ free_pgd_range(tlb, addr, end, floor, ceiling);
+}
+
+
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 03/11] hugetlb: Introduce generic version of set_huge_pte_at
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 01/11] hugetlb: Harmonize hugetlb.h arch specific defines with pgtable.h Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 02/11] hugetlb: Introduce generic version of hugetlb_free_pgd_range Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 04/11] hugetlb: Introduce generic version of huge_ptep_get_and_clear Alexandre Ghiti
` (7 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, ia64, mips, powerpc, sh, x86 architectures use the
same version of set_huge_pte_at, so move this generic
implementation into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb-3level.h | 6 ------
arch/arm64/include/asm/hugetlb.h | 1 +
arch/ia64/include/asm/hugetlb.h | 6 ------
arch/mips/include/asm/hugetlb.h | 6 ------
arch/parisc/include/asm/hugetlb.h | 1 +
arch/powerpc/include/asm/hugetlb.h | 6 ------
arch/sh/include/asm/hugetlb.h | 6 ------
arch/sparc/include/asm/hugetlb.h | 1 +
arch/x86/include/asm/hugetlb.h | 6 ------
include/asm-generic/hugetlb.h | 8 +++++++-
10 files changed, 10 insertions(+), 37 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index d4014fbe5ea3..398fb06e8207 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -37,12 +37,6 @@ static inline pte_t huge_ptep_get(pte_t *ptep)
return retval;
}
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- set_pte_at(mm, addr, ptep, pte);
-}
-
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 4af1a800a900..874661a1dff1 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -60,6 +60,7 @@ static inline void arch_clear_hugepage_flags(struct page *page)
extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
struct page *page, int writable);
#define arch_make_huge_pte arch_make_huge_pte
+#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index afe9fa4d969b..a235d6f60fb3 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -20,12 +20,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
}
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- set_pte_at(mm, addr, ptep, pte);
-}
-
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 53764050243e..8ea439041d5d 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -36,12 +36,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- set_pte_at(mm, addr, ptep, pte);
-}
-
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 28c23b68d38d..77c8adbac7c3 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -4,6 +4,7 @@
#include <asm/page.h>
+#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 2ab028b73a43..33b899624922 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -129,12 +129,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- set_pte_at(mm, addr, ptep, pte);
-}
-
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index f6a51b609409..bc552e37c1c9 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -25,12 +25,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- set_pte_at(mm, addr, ptep, pte);
-}
-
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 59d89b52ccb7..16b0c53ea6c9 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -12,6 +12,7 @@ struct pud_huge_patch_entry {
extern struct pud_huge_patch_entry __pud_huge_patch, __pud_huge_patch_end;
#endif
+#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 398da3b3414c..8db9a761964d 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,12 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- set_pte_at(mm, addr, ptep, pte);
-}
-
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index c697ca9dda18..ee010b756246 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -47,8 +47,14 @@ static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
{
free_pgd_range(tlb, addr, end, floor, ceiling);
}
+#endif
-
+#ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
+static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte)
+{
+ set_pte_at(mm, addr, ptep, pte);
+}
#endif
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 04/11] hugetlb: Introduce generic version of huge_ptep_get_and_clear
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (2 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 03/11] hugetlb: Introduce generic version of set_huge_pte_at Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 05/11] hugetlb: Introduce generic version of huge_ptep_clear_flush Alexandre Ghiti
` (6 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, ia64, sh, x86 architectures use the
same version of huge_ptep_get_and_clear, so move this generic
implementation into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb-3level.h | 6 ------
arch/arm64/include/asm/hugetlb.h | 1 +
arch/ia64/include/asm/hugetlb.h | 6 ------
arch/mips/include/asm/hugetlb.h | 1 +
arch/parisc/include/asm/hugetlb.h | 1 +
arch/powerpc/include/asm/hugetlb.h | 1 +
arch/sh/include/asm/hugetlb.h | 6 ------
arch/sparc/include/asm/hugetlb.h | 1 +
arch/x86/include/asm/hugetlb.h | 6 ------
include/asm-generic/hugetlb.h | 8 ++++++++
10 files changed, 13 insertions(+), 24 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index 398fb06e8207..ad36e84b819a 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -49,12 +49,6 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
ptep_set_wrprotect(mm, addr, ptep);
}
-static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- return ptep_get_and_clear(mm, addr, ptep);
-}
-
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 874661a1dff1..6ae0bcafe162 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -66,6 +66,7 @@ extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index a235d6f60fb3..6719c74da0de 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -20,12 +20,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
}
-static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- return ptep_get_and_clear(mm, addr, ptep);
-}
-
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 8ea439041d5d..0959cc5a41fa 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -36,6 +36,7 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 77c8adbac7c3..6e281e1bb336 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -8,6 +8,7 @@
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 33b899624922..91bdc84b76ce 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -129,6 +129,7 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index bc552e37c1c9..08ee6c00b5e9 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -25,12 +25,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- return ptep_get_and_clear(mm, addr, ptep);
-}
-
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 16b0c53ea6c9..944e3a4bfaff 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -16,6 +16,7 @@ extern struct pud_huge_patch_entry __pud_huge_patch, __pud_huge_patch_end;
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 8db9a761964d..e9e7fef867ad 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,12 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- return ptep_get_and_clear(mm, addr, ptep);
-}
-
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index ee010b756246..0f6f151780dd 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -57,4 +57,12 @@ static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ return ptep_get_and_clear(mm, addr, ptep);
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 05/11] hugetlb: Introduce generic version of huge_ptep_clear_flush
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (3 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 04/11] hugetlb: Introduce generic version of huge_ptep_get_and_clear Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 06/11] hugetlb: Introduce generic version of huge_pte_none Alexandre Ghiti
` (5 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, x86 architectures use the same version of
huge_ptep_clear_flush, so move this generic implementation into
asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb-3level.h | 6 ------
arch/arm64/include/asm/hugetlb.h | 1 +
arch/ia64/include/asm/hugetlb.h | 1 +
arch/mips/include/asm/hugetlb.h | 1 +
arch/parisc/include/asm/hugetlb.h | 1 +
arch/powerpc/include/asm/hugetlb.h | 1 +
arch/sh/include/asm/hugetlb.h | 1 +
arch/sparc/include/asm/hugetlb.h | 1 +
arch/x86/include/asm/hugetlb.h | 6 ------
include/asm-generic/hugetlb.h | 8 ++++++++
10 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index ad36e84b819a..b897541520ef 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -37,12 +37,6 @@ static inline pte_t huge_ptep_get(pte_t *ptep)
return retval;
}
-static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep)
-{
- ptep_clear_flush(vma, addr, ptep);
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 6ae0bcafe162..4c8dd488554d 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -71,6 +71,7 @@ extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
extern void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTE_CLEAR
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 6719c74da0de..41b5f6adeee4 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -20,6 +20,7 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
}
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 0959cc5a41fa..7df1f116a3cc 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -48,6 +48,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
return pte;
}
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 6e281e1bb336..9afff26747a1 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -32,6 +32,7 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 91bdc84b76ce..1eb3e131cab4 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -140,6 +140,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
#endif
}
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 08ee6c00b5e9..9abf9c86b769 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -25,6 +25,7 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 944e3a4bfaff..651a9593fcee 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -42,6 +42,7 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index e9e7fef867ad..fd59673e7a0a 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,12 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep)
-{
- ptep_clear_flush(vma, addr, ptep);
-}
-
static inline int huge_pte_none(pte_t pte)
{
return pte_none(pte);
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 0f6f151780dd..ffa63fd8388d 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -65,4 +65,12 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep)
+{
+ ptep_clear_flush(vma, addr, ptep);
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 06/11] hugetlb: Introduce generic version of huge_pte_none
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (4 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 05/11] hugetlb: Introduce generic version of huge_ptep_clear_flush Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 07/11] hugetlb: Introduce generic version of huge_pte_wrprotect Alexandre Ghiti
` (4 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, arm64, ia64, mips, parisc, powerpc, sh, sparc, x86 architectures
use the same version of huge_pte_none, so move this generic
implementation into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb.h | 5 -----
arch/arm64/include/asm/hugetlb.h | 5 -----
arch/ia64/include/asm/hugetlb.h | 5 -----
arch/mips/include/asm/hugetlb.h | 1 +
arch/parisc/include/asm/hugetlb.h | 5 -----
arch/powerpc/include/asm/hugetlb.h | 5 -----
arch/sh/include/asm/hugetlb.h | 5 -----
arch/sparc/include/asm/hugetlb.h | 5 -----
arch/x86/include/asm/hugetlb.h | 5 -----
include/asm-generic/hugetlb.h | 7 +++++++
10 files changed, 8 insertions(+), 40 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 537660891f9f..c821b550d6a4 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -44,11 +44,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 4c8dd488554d..49247c6f94db 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -42,11 +42,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 41b5f6adeee4..bf573500b3c4 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -26,11 +26,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 7df1f116a3cc..1c9c4531376c 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -55,6 +55,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
flush_tlb_page(vma, addr & huge_page_mask(hstate_vma(vma)));
}
+#define __HAVE_ARCH_HUGE_PTE_NONE
static inline int huge_pte_none(pte_t pte)
{
unsigned long val = pte_val(pte) & ~_PAGE_GLOBAL;
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 9afff26747a1..c09d8c74553c 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -38,11 +38,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 1eb3e131cab4..6a534353c8eb 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -149,11 +149,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
flush_hugetlb_page(vma, addr);
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 9abf9c86b769..a9f8266f33cf 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -31,11 +31,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 651a9593fcee..11115bbd712e 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -48,11 +48,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index fd59673e7a0a..42d872054791 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,11 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index ffa63fd8388d..2fc3d68424e9 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -73,4 +73,11 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTE_NONE
+static inline int huge_pte_none(pte_t pte)
+{
+ return pte_none(pte);
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 07/11] hugetlb: Introduce generic version of huge_pte_wrprotect
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (5 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 06/11] hugetlb: Introduce generic version of huge_pte_none Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 08/11] hugetlb: Introduce generic version of prepare_hugepage_range Alexandre Ghiti
` (3 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, arm64, ia64, mips, parisc, powerpc, sh, sparc, x86
architectures use the same version of huge_pte_wrprotect, so move
this generic implementation into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb.h | 5 -----
arch/arm64/include/asm/hugetlb.h | 5 -----
arch/ia64/include/asm/hugetlb.h | 5 -----
arch/mips/include/asm/hugetlb.h | 5 -----
arch/parisc/include/asm/hugetlb.h | 5 -----
arch/powerpc/include/asm/hugetlb.h | 5 -----
arch/sh/include/asm/hugetlb.h | 5 -----
arch/sparc/include/asm/hugetlb.h | 5 -----
arch/x86/include/asm/hugetlb.h | 5 -----
include/asm-generic/hugetlb.h | 7 +++++++
10 files changed, 7 insertions(+), 45 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index c821b550d6a4..9ca14227eeb7 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -44,11 +44,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 49247c6f94db..1fd64ebf0cd7 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -42,11 +42,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index bf573500b3c4..82fe3d7a38d9 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -26,11 +26,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 1c9c4531376c..b3d6bb53ee6e 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -62,11 +62,6 @@ static inline int huge_pte_none(pte_t pte)
return !val || (val == (unsigned long)invalid_pte_table);
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index c09d8c74553c..5a102d7251e4 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -38,11 +38,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 6a534353c8eb..b5b57b309564 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -149,11 +149,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
flush_hugetlb_page(vma, addr);
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index a9f8266f33cf..54f65094efe6 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -31,11 +31,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 11115bbd712e..f661362376e0 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -48,11 +48,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 42d872054791..3cd3a2c9840e 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,11 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
- return pte_wrprotect(pte);
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 2fc3d68424e9..cd9697672b79 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -80,4 +80,11 @@ static inline int huge_pte_none(pte_t pte)
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+ return pte_wrprotect(pte);
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 08/11] hugetlb: Introduce generic version of prepare_hugepage_range
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (6 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 07/11] hugetlb: Introduce generic version of huge_pte_wrprotect Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 09/11] hugetlb: Introduce generic version of huge_ptep_set_wrprotect Alexandre Ghiti
` (2 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, arm64, powerpc, sparc, x86 architectures use the same version of
prepare_hugepage_range, so move this generic implementation into
asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb.h | 11 -----------
arch/arm64/include/asm/hugetlb.h | 11 -----------
arch/ia64/include/asm/hugetlb.h | 1 +
arch/mips/include/asm/hugetlb.h | 1 +
arch/parisc/include/asm/hugetlb.h | 1 +
arch/powerpc/include/asm/hugetlb.h | 15 ---------------
arch/sh/include/asm/hugetlb.h | 1 +
arch/sparc/include/asm/hugetlb.h | 16 ----------------
arch/x86/include/asm/hugetlb.h | 15 ---------------
include/asm-generic/hugetlb.h | 15 +++++++++++++++
10 files changed, 19 insertions(+), 68 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 9ca14227eeb7..3fcef21ff2c2 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -33,17 +33,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-static inline int prepare_hugepage_range(struct file *file,
- unsigned long addr, unsigned long len)
-{
- struct hstate *h = hstate_file(file);
- if (len & ~huge_page_mask(h))
- return -EINVAL;
- if (addr & ~huge_page_mask(h))
- return -EINVAL;
- return 0;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 1fd64ebf0cd7..3e7f6e69b28d 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -31,17 +31,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-static inline int prepare_hugepage_range(struct file *file,
- unsigned long addr, unsigned long len)
-{
- struct hstate *h = hstate_file(file);
- if (len & ~huge_page_mask(h))
- return -EINVAL;
- if (addr & ~huge_page_mask(h))
- return -EINVAL;
- return 0;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 82fe3d7a38d9..cbe296271030 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -9,6 +9,7 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
unsigned long ceiling);
+#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
int prepare_hugepage_range(struct file *file,
unsigned long addr, unsigned long len);
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index b3d6bb53ee6e..6ff2531cfb1d 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -18,6 +18,7 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
+#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
static inline int prepare_hugepage_range(struct file *file,
unsigned long addr,
unsigned long len)
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 5a102d7251e4..fb7e0fd858a3 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -22,6 +22,7 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
* If the arch doesn't supply something else, assume that hugepage
* size aligned regions are ok without further preparation.
*/
+#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
static inline int prepare_hugepage_range(struct file *file,
unsigned long addr, unsigned long len)
{
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index b5b57b309564..2a90f387880a 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -114,21 +114,6 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
unsigned long ceiling);
-/*
- * If the arch doesn't supply something else, assume that hugepage
- * size aligned regions are ok without further preparation.
- */
-static inline int prepare_hugepage_range(struct file *file,
- unsigned long addr, unsigned long len)
-{
- struct hstate *h = hstate_file(file);
- if (len & ~huge_page_mask(h))
- return -EINVAL;
- if (addr & ~huge_page_mask(h))
- return -EINVAL;
- return 0;
-}
-
#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 54f65094efe6..f1bbd255ee43 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -15,6 +15,7 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
* If the arch doesn't supply something else, assume that hugepage
* size aligned regions are ok without further preparation.
*/
+#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
static inline int prepare_hugepage_range(struct file *file,
unsigned long addr, unsigned long len)
{
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index f661362376e0..2101ea217f33 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -26,22 +26,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-/*
- * If the arch doesn't supply something else, assume that hugepage
- * size aligned regions are ok without further preparation.
- */
-static inline int prepare_hugepage_range(struct file *file,
- unsigned long addr, unsigned long len)
-{
- struct hstate *h = hstate_file(file);
-
- if (len & ~huge_page_mask(h))
- return -EINVAL;
- if (addr & ~huge_page_mask(h))
- return -EINVAL;
- return 0;
-}
-
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 3cd3a2c9840e..59c056adb3c9 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -13,21 +13,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-/*
- * If the arch doesn't supply something else, assume that hugepage
- * size aligned regions are ok without further preparation.
- */
-static inline int prepare_hugepage_range(struct file *file,
- unsigned long addr, unsigned long len)
-{
- struct hstate *h = hstate_file(file);
- if (len & ~huge_page_mask(h))
- return -EINVAL;
- if (addr & ~huge_page_mask(h))
- return -EINVAL;
- return 0;
-}
-
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index cd9697672b79..6c0c8b0c71e0 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -87,4 +87,19 @@ static inline pte_t huge_pte_wrprotect(pte_t pte)
}
#endif
+#ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
+static inline int prepare_hugepage_range(struct file *file,
+ unsigned long addr, unsigned long len)
+{
+ struct hstate *h = hstate_file(file);
+
+ if (len & ~huge_page_mask(h))
+ return -EINVAL;
+ if (addr & ~huge_page_mask(h))
+ return -EINVAL;
+
+ return 0;
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 09/11] hugetlb: Introduce generic version of huge_ptep_set_wrprotect
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (7 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 08/11] hugetlb: Introduce generic version of prepare_hugepage_range Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 10/11] hugetlb: Introduce generic version of huge_ptep_set_access_flags Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 11/11] hugetlb: Introduce generic version of huge_ptep_get Alexandre Ghiti
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, ia64, mips, powerpc, sh, x86 architectures use the same version
of huge_ptep_set_wrprotect, so move this generic implementation into
asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb-3level.h | 6 ------
arch/arm64/include/asm/hugetlb.h | 1 +
arch/ia64/include/asm/hugetlb.h | 6 ------
arch/mips/include/asm/hugetlb.h | 6 ------
arch/parisc/include/asm/hugetlb.h | 1 +
arch/powerpc/include/asm/book3s/32/pgtable.h | 6 ------
arch/powerpc/include/asm/book3s/64/pgtable.h | 1 +
arch/powerpc/include/asm/nohash/32/pgtable.h | 6 ------
arch/powerpc/include/asm/nohash/64/pgtable.h | 1 +
arch/sh/include/asm/hugetlb.h | 6 ------
arch/sparc/include/asm/hugetlb.h | 1 +
arch/x86/include/asm/hugetlb.h | 6 ------
include/asm-generic/hugetlb.h | 8 ++++++++
13 files changed, 13 insertions(+), 42 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index b897541520ef..8247cd6a2ac6 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -37,12 +37,6 @@ static inline pte_t huge_ptep_get(pte_t *ptep)
return retval;
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 3e7f6e69b28d..f4f69ae5466e 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -48,6 +48,7 @@ extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index cbe296271030..49d1f7949f3a 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -27,12 +27,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 6ff2531cfb1d..3dcf5debf8c4 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -63,12 +63,6 @@ static inline int huge_pte_none(pte_t pte)
return !val || (val == (unsigned long)invalid_pte_table);
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr,
pte_t *ptep, pte_t pte,
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index fb7e0fd858a3..9c3950ca2974 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -39,6 +39,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
index 751cf931bb3f..796d026da37e 100644
--- a/arch/powerpc/include/asm/book3s/32/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
@@ -221,12 +221,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
{
pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), _PAGE_RO);
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline void __ptep_set_access_flags(struct vm_area_struct *vma,
pte_t *ptep, pte_t entry,
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 13a688fc8cd0..badb56963885 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -461,6 +461,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pte_update(mm, addr, ptep, 0, _PAGE_PRIVILEGED, 0);
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index a507a65b0866..6c82b9660c55 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -246,12 +246,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
{
pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), _PAGE_RO);
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline void __ptep_set_access_flags(struct vm_area_struct *vma,
pte_t *ptep, pte_t entry,
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 7cd6809f4d33..68283e632f04 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -239,6 +239,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pte_update(mm, addr, ptep, _PAGE_RW, 0, 0);
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index f1bbd255ee43..8df4004977b9 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -32,12 +32,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 2101ea217f33..c41754a113f3 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -32,6 +32,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 59c056adb3c9..a3f781f7a264 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -13,12 +13,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
-{
- ptep_set_wrprotect(mm, addr, ptep);
-}
-
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 6c0c8b0c71e0..9b9039845278 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -102,4 +102,12 @@ static inline int prepare_hugepage_range(struct file *file,
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ ptep_set_wrprotect(mm, addr, ptep);
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 10/11] hugetlb: Introduce generic version of huge_ptep_set_access_flags
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (8 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 09/11] hugetlb: Introduce generic version of huge_ptep_set_wrprotect Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
2018-09-20 6:03 ` [PATCH v7 11/11] hugetlb: Introduce generic version of huge_ptep_get Alexandre Ghiti
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
arm, ia64, sh, x86 architectures use the same version
of huge_ptep_set_access_flags, so move this generic implementation
into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb-3level.h | 7 -------
arch/arm64/include/asm/hugetlb.h | 1 +
arch/ia64/include/asm/hugetlb.h | 7 -------
arch/mips/include/asm/hugetlb.h | 1 +
arch/parisc/include/asm/hugetlb.h | 1 +
arch/powerpc/include/asm/hugetlb.h | 1 +
arch/sh/include/asm/hugetlb.h | 7 -------
arch/sparc/include/asm/hugetlb.h | 1 +
arch/x86/include/asm/hugetlb.h | 7 -------
include/asm-generic/hugetlb.h | 9 +++++++++
10 files changed, 14 insertions(+), 28 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index 8247cd6a2ac6..54e4b097b1f5 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -37,11 +37,4 @@ static inline pte_t huge_ptep_get(pte_t *ptep)
return retval;
}
-static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep,
- pte_t pte, int dirty)
-{
- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
-}
-
#endif /* _ASM_ARM_HUGETLB_3LEVEL_H */
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index f4f69ae5466e..80887abcef7f 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -42,6 +42,7 @@ extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 49d1f7949f3a..e9b42750fdf5 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -27,13 +27,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep,
- pte_t pte, int dirty)
-{
- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
-}
-
static inline pte_t huge_ptep_get(pte_t *ptep)
{
return *ptep;
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 3dcf5debf8c4..120adc3b2ffd 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -63,6 +63,7 @@ static inline int huge_pte_none(pte_t pte)
return !val || (val == (unsigned long)invalid_pte_table);
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr,
pte_t *ptep, pte_t pte,
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 9c3950ca2974..165b4e5a6f32 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -43,6 +43,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 2a90f387880a..d4d9cf6cb846 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -134,6 +134,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
flush_hugetlb_page(vma, addr);
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 8df4004977b9..c87195ae0cfa 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -32,13 +32,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep,
- pte_t pte, int dirty)
-{
- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
-}
-
static inline pte_t huge_ptep_get(pte_t *ptep)
{
return *ptep;
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index c41754a113f3..028a1465fbe7 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -40,6 +40,7 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
}
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index a3f781f7a264..574d42eb081e 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -13,13 +13,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep,
- pte_t pte, int dirty)
-{
- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
-}
-
static inline pte_t huge_ptep_get(pte_t *ptep)
{
return *ptep;
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 9b9039845278..f3c99a03ee83 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -110,4 +110,13 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep,
+ pte_t pte, int dirty)
+{
+ return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v7 11/11] hugetlb: Introduce generic version of huge_ptep_get
2018-09-20 6:03 [PATCH v7 00/11] hugetlb: Factorize hugetlb architecture primitives Alexandre Ghiti
` (9 preceding siblings ...)
2018-09-20 6:03 ` [PATCH v7 10/11] hugetlb: Introduce generic version of huge_ptep_set_access_flags Alexandre Ghiti
@ 2018-09-20 6:03 ` Alexandre Ghiti
10 siblings, 0 replies; 12+ messages in thread
From: Alexandre Ghiti @ 2018-09-20 6:03 UTC (permalink / raw)
To: akpm
Cc: linux-mm, mike.kravetz, linux, catalin.marinas, will.deacon,
tony.luck, fenghua.yu, ralf, paul.burton, jhogan, jejb, deller,
benh, paulus, mpe, ysato, dalias, davem, tglx, mingo, hpa, x86,
arnd, linux-arm-kernel, linux-kernel, linux-ia64, linux-mips,
linux-parisc, linuxppc-dev, linux-sh, sparclinux, linux-arch,
Alexandre Ghiti
ia64, mips, parisc, powerpc, sh, sparc, x86 architectures use the
same version of huge_ptep_get, so move this generic implementation into
asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS parts
Acked-by: Ingo Molnar <mingo@kernel.org> # x86
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
arch/arm/include/asm/hugetlb-3level.h | 1 +
arch/arm64/include/asm/hugetlb.h | 1 +
arch/ia64/include/asm/hugetlb.h | 5 -----
arch/mips/include/asm/hugetlb.h | 5 -----
arch/parisc/include/asm/hugetlb.h | 5 -----
arch/powerpc/include/asm/hugetlb.h | 5 -----
arch/sh/include/asm/hugetlb.h | 5 -----
arch/sparc/include/asm/hugetlb.h | 5 -----
arch/x86/include/asm/hugetlb.h | 5 -----
include/asm-generic/hugetlb.h | 7 +++++++
10 files changed, 9 insertions(+), 35 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index 54e4b097b1f5..0d9f3918fa7e 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -29,6 +29,7 @@
* ptes.
* (The valid bit is automatically cleared by set_pte_at for PROT_NONE ptes).
*/
+#define __HAVE_ARCH_HUGE_PTEP_GET
static inline pte_t huge_ptep_get(pte_t *ptep)
{
pte_t retval = *ptep;
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 80887abcef7f..fb6609875455 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -20,6 +20,7 @@
#include <asm/page.h>
+#define __HAVE_ARCH_HUGE_PTEP_GET
static inline pte_t huge_ptep_get(pte_t *ptep)
{
return READ_ONCE(*ptep);
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index e9b42750fdf5..36cc0396b214 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -27,11 +27,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
}
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 120adc3b2ffd..425bb6fc3bda 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -82,11 +82,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
return changed;
}
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
}
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 165b4e5a6f32..7cb595dcb7d7 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -48,11 +48,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
}
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index d4d9cf6cb846..383da1ab9e23 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -139,11 +139,6 @@ extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
}
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index c87195ae0cfa..6f025fe18146 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -32,11 +32,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 028a1465fbe7..3963f80d1cb3 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -53,11 +53,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
return changed;
}
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
}
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 574d42eb081e..7469d321f072 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -13,11 +13,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return 0;
}
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return *ptep;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
}
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index f3c99a03ee83..71d7b77eea50 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -119,4 +119,11 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
}
#endif
+#ifndef __HAVE_ARCH_HUGE_PTEP_GET
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+ return *ptep;
+}
+#endif
+
#endif /* _ASM_GENERIC_HUGETLB_H */
--
2.16.2
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