From: "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-um@lists.infradead.org, xen-devel@lists.xenproject.org,
kvm@vger.kernel.org,
"Vishal Moola (Oracle)" <vishal.moola@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: [PATCH v2 20/34] arm: Convert various functions to use ptdescs
Date: Mon, 1 May 2023 12:28:15 -0700 [thread overview]
Message-ID: <20230501192829.17086-21-vishal.moola@gmail.com> (raw)
In-Reply-To: <20230501192829.17086-1-vishal.moola@gmail.com>
As part of the conversions to replace pgtable constructor/destructors with
ptdesc equivalents, convert various page table functions to use ptdescs.
late_alloc() also uses the __get_free_pages() helper function. Convert
this to use ptdesc_alloc() and ptdesc_address() instead to help
standardize page tables further.
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
---
arch/arm/include/asm/tlb.h | 12 +++++++-----
arch/arm/mm/mmu.c | 6 +++---
2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index b8cbe03ad260..9ab8a6929d35 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -39,7 +39,9 @@ static inline void __tlb_remove_table(void *_table)
static inline void
__pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
{
- pgtable_pte_page_dtor(pte);
+ struct ptdesc *ptdesc = page_ptdesc(pte);
+
+ ptdesc_pte_dtor(ptdesc);
#ifndef CONFIG_ARM_LPAE
/*
@@ -50,17 +52,17 @@ __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
__tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE);
#endif
- tlb_remove_table(tlb, pte);
+ tlb_remove_ptdesc(tlb, ptdesc);
}
static inline void
__pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
{
#ifdef CONFIG_ARM_LPAE
- struct page *page = virt_to_page(pmdp);
+ struct ptdesc *ptdesc = virt_to_ptdesc(pmdp);
- pgtable_pmd_page_dtor(page);
- tlb_remove_table(tlb, page);
+ ptdesc_pmd_dtor(ptdesc);
+ tlb_remove_ptdesc(tlb, ptdesc);
#endif
}
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 463fc2a8448f..7add505bd797 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -737,11 +737,11 @@ static void __init *early_alloc(unsigned long sz)
static void *__init late_alloc(unsigned long sz)
{
- void *ptr = (void *)__get_free_pages(GFP_PGTABLE_KERNEL, get_order(sz));
+ void *ptdesc = ptdesc_alloc(GFP_PGTABLE_KERNEL, get_order(sz));
- if (!ptr || !pgtable_pte_page_ctor(virt_to_page(ptr)))
+ if (!ptdesc || !ptdesc_pte_ctor(ptdesc))
BUG();
- return ptr;
+ return ptdesc;
}
static pte_t * __init arm_pte_alloc(pmd_t *pmd, unsigned long addr,
--
2.39.2
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next prev parent reply other threads:[~2023-05-01 19:47 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-01 19:27 [PATCH v2 00/34] Split ptdesc from struct page Vishal Moola (Oracle)
2023-05-01 19:27 ` [PATCH v2 01/34] mm: Add PAGE_TYPE_OP folio functions Vishal Moola (Oracle)
2023-05-25 8:55 ` Mike Rapoport
2023-05-25 17:00 ` Vishal Moola
2023-05-25 20:20 ` Mike Rapoport
2023-05-25 20:38 ` Vishal Moola
2023-05-25 20:57 ` Matthew Wilcox
2023-05-01 19:27 ` [PATCH v2 02/34] s390: Use _pt_s390_gaddr for gmap address tracking Vishal Moola (Oracle)
2023-05-25 8:58 ` Mike Rapoport
2023-05-25 17:12 ` Vishal Moola
2023-05-01 19:27 ` [PATCH v2 03/34] s390: Use pt_frag_refcount for pagetables Vishal Moola (Oracle)
2023-05-01 19:27 ` [PATCH v2 04/34] pgtable: Create struct ptdesc Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 05/34] mm: add utility functions for ptdesc Vishal Moola (Oracle)
2023-05-25 9:09 ` Mike Rapoport
2023-05-25 18:04 ` Vishal Moola
2023-05-25 20:25 ` Mike Rapoport
2023-05-25 20:53 ` Vishal Moola
2023-05-27 10:41 ` Mike Rapoport
2023-05-27 15:09 ` Matthew Wilcox
2023-05-28 5:47 ` Mike Rapoport
2023-05-01 19:28 ` [PATCH v2 06/34] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 07/34] mm: Convert ptlock_alloc() to use ptdescs Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 08/34] mm: Convert ptlock_ptr() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 09/34] mm: Convert pmd_ptlock_init() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 10/34] mm: Convert ptlock_init() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 11/34] mm: Convert pmd_ptlock_free() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 12/34] mm: Convert ptlock_free() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 13/34] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor} Vishal Moola (Oracle)
2023-05-25 9:19 ` Mike Rapoport
2023-05-25 18:17 ` Vishal Moola
2023-05-01 19:28 ` [PATCH v2 14/34] powerpc: Convert various functions to use ptdescs Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 15/34] x86: " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 16/34] s390: Convert various gmap " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 17/34] s390: Convert various pgalloc " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 18/34] mm: Remove page table members from struct page Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 19/34] pgalloc: Convert various functions to use ptdescs Vishal Moola (Oracle)
2023-05-01 19:28 ` Vishal Moola (Oracle) [this message]
2023-05-01 19:28 ` [PATCH v2 21/34] arm64: " Vishal Moola (Oracle)
2023-05-02 1:48 ` kernel test robot
2023-05-02 2:21 ` kernel test robot
2023-05-01 19:28 ` [PATCH v2 22/34] csky: Convert __pte_free_tlb() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 23/34] hexagon: " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 24/34] loongarch: Convert various functions " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 25/34] m68k: " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 26/34] mips: " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 27/34] nios2: Convert __pte_free_tlb() " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 28/34] openrisc: " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 29/34] riscv: Convert alloc_{pmd, pte}_late() " Vishal Moola (Oracle)
2023-05-01 20:59 ` Palmer Dabbelt
2023-05-01 19:28 ` [PATCH v2 30/34] sh: Convert pte_free_tlb() " Vishal Moola (Oracle)
2023-05-06 11:35 ` John Paul Adrian Glaubitz
2023-05-15 19:11 ` Vishal Moola
2023-05-01 19:28 ` [PATCH v2 31/34] sparc64: Convert various functions " Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 32/34] sparc: Convert pgtable_pte_page_{ctor, dtor}() to ptdesc equivalents Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 33/34] um: Convert {pmd, pte}_free_tlb() to use ptdescs Vishal Moola (Oracle)
2023-05-01 19:28 ` [PATCH v2 34/34] mm: Remove pgtable_{pmd, pte}_page_{ctor, dtor}() wrappers Vishal Moola (Oracle)
2023-05-18 12:12 ` [PATCH v2 00/34] Split ptdesc from struct page Jason Gunthorpe
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