From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Ghiti Date: Thu, 20 Sep 2018 06:03:52 +0000 Subject: [PATCH v7 05/11] hugetlb: Introduce generic version of huge_ptep_clear_flush Message-Id: <20180920060358.16606-6-alex@ghiti.fr> List-Id: References: <20180920060358.16606-1-alex@ghiti.fr> In-Reply-To: <20180920060358.16606-1-alex@ghiti.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, mike.kravetz@oracle.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, tony.luck@intel.com, fenghua.yu@intel.com, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, jejb@parisc-linux.org, deller@gmx.de, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, 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 Tested-by: Helge Deller # parisc Acked-by: Catalin Marinas # arm64 Acked-by: Paul Burton # MIPS parts Acked-by: Ingo Molnar # x86 Reviewed-by: Luiz Capitulino Reviewed-by: Mike Kravetz --- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Ghiti Subject: [PATCH v7 05/11] hugetlb: Introduce generic version of huge_ptep_clear_flush Date: Thu, 20 Sep 2018 06:03:52 +0000 Message-ID: <20180920060358.16606-6-alex@ghiti.fr> References: <20180920060358.16606-1-alex@ghiti.fr> Cc: linux-mm@kvack.org, mike.kravetz@oracle.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, tony.luck@intel.com, fenghua.yu@intel.com, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, jejb@parisc-linux.org, deller@gmx.de, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, Alexandre Ghiti To: akpm@linux-foundation.org Return-path: In-Reply-To: <20180920060358.16606-1-alex@ghiti.fr> List-ID: List-Id: linux-parisc.vger.kernel.org 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 Tested-by: Helge Deller # parisc Acked-by: Catalin Marinas # arm64 Acked-by: Paul Burton # MIPS parts Acked-by: Ingo Molnar # x86 Reviewed-by: Luiz Capitulino Reviewed-by: Mike Kravetz --- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: alex@ghiti.fr (Alexandre Ghiti) Date: Thu, 20 Sep 2018 06:03:52 +0000 Subject: [PATCH v7 05/11] hugetlb: Introduce generic version of huge_ptep_clear_flush In-Reply-To: <20180920060358.16606-1-alex@ghiti.fr> References: <20180920060358.16606-1-alex@ghiti.fr> Message-ID: <20180920060358.16606-6-alex@ghiti.fr> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Tested-by: Helge Deller # parisc Acked-by: Catalin Marinas # arm64 Acked-by: Paul Burton # MIPS parts Acked-by: Ingo Molnar # x86 Reviewed-by: Luiz Capitulino Reviewed-by: Mike Kravetz --- 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