| Message ID | 20230612210423.18611-22-vishal.moola@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Split ptdesc from struct page | expand |
On Mon, Jun 12, 2023 at 02:04:10PM -0700, Vishal Moola (Oracle) wrote: > As part of the conversions to replace pgtable constructor/destructors with > ptdesc equivalents, convert various page table functions to use ptdescs. > > Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> > --- > arch/arm64/include/asm/tlb.h | 14 ++++++++------ > arch/arm64/mm/mmu.c | 7 ++++--- > 2 files changed, 12 insertions(+), 9 deletions(-) > > diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h > index c995d1f4594f..2c29239d05c3 100644 > --- a/arch/arm64/include/asm/tlb.h > +++ b/arch/arm64/include/asm/tlb.h > @@ -75,18 +75,20 @@ static inline void tlb_flush(struct mmu_gather *tlb) > static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, > unsigned long addr) > { > - pgtable_pte_page_dtor(pte); > - tlb_remove_table(tlb, pte); > + struct ptdesc *ptdesc = page_ptdesc(pte); > + > + pagetable_pte_dtor(ptdesc); > + tlb_remove_ptdesc(tlb, ptdesc); > } > > #if CONFIG_PGTABLE_LEVELS > 2 > static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, > unsigned long addr) > { > - struct page *page = virt_to_page(pmdp); > + struct ptdesc *ptdesc = virt_to_ptdesc(pmdp); > > - pgtable_pmd_page_dtor(page); > - tlb_remove_table(tlb, page); > + pagetable_pmd_dtor(ptdesc); > + tlb_remove_ptdesc(tlb, ptdesc); > } > #endif > > @@ -94,7 +96,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, > static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp, > unsigned long addr) > { > - tlb_remove_table(tlb, virt_to_page(pudp)); > + tlb_remove_ptdesc(tlb, virt_to_ptdesc(pudp)); > } > #endif > > diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c > index af6bc8403ee4..5867a0e917b9 100644 > --- a/arch/arm64/mm/mmu.c > +++ b/arch/arm64/mm/mmu.c > @@ -426,6 +426,7 @@ static phys_addr_t __pgd_pgtable_alloc(int shift) > static phys_addr_t pgd_pgtable_alloc(int shift) > { > phys_addr_t pa = __pgd_pgtable_alloc(shift); > + struct ptdesc *ptdesc = page_ptdesc(phys_to_page(pa)); > > /* > * Call proper page table ctor in case later we need to > @@ -433,12 +434,12 @@ static phys_addr_t pgd_pgtable_alloc(int shift) > * this pre-allocated page table. > * > * We don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK if pmd is > - * folded, and if so pgtable_pmd_page_ctor() becomes nop. > + * folded, and if so pagetable_pte_ctor() becomes nop. > */ > if (shift == PAGE_SHIFT) > - BUG_ON(!pgtable_pte_page_ctor(phys_to_page(pa))); > + BUG_ON(!pagetable_pte_ctor(ptdesc)); > else if (shift == PMD_SHIFT) > - BUG_ON(!pgtable_pmd_page_ctor(phys_to_page(pa))); > + BUG_ON(!pagetable_pmd_ctor(ptdesc)); > > return pa; > } > -- > 2.40.1 > >
On Mon, Jun 12, 2023 at 02:04:10PM -0700, Vishal Moola (Oracle) wrote: > As part of the conversions to replace pgtable constructor/destructors with > ptdesc equivalents, convert various page table functions to use ptdescs. > > Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index c995d1f4594f..2c29239d05c3 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -75,18 +75,20 @@ static inline void tlb_flush(struct mmu_gather *tlb) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); - tlb_remove_table(tlb, pte); + struct ptdesc *ptdesc = page_ptdesc(pte); + + pagetable_pte_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #if CONFIG_PGTABLE_LEVELS > 2 static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { - struct page *page = virt_to_page(pmdp); + struct ptdesc *ptdesc = virt_to_ptdesc(pmdp); - pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + pagetable_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #endif @@ -94,7 +96,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp, unsigned long addr) { - tlb_remove_table(tlb, virt_to_page(pudp)); + tlb_remove_ptdesc(tlb, virt_to_ptdesc(pudp)); } #endif diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index af6bc8403ee4..5867a0e917b9 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -426,6 +426,7 @@ static phys_addr_t __pgd_pgtable_alloc(int shift) static phys_addr_t pgd_pgtable_alloc(int shift) { phys_addr_t pa = __pgd_pgtable_alloc(shift); + struct ptdesc *ptdesc = page_ptdesc(phys_to_page(pa)); /* * Call proper page table ctor in case later we need to @@ -433,12 +434,12 @@ static phys_addr_t pgd_pgtable_alloc(int shift) * this pre-allocated page table. * * We don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK if pmd is - * folded, and if so pgtable_pmd_page_ctor() becomes nop. + * folded, and if so pagetable_pte_ctor() becomes nop. */ if (shift == PAGE_SHIFT) - BUG_ON(!pgtable_pte_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pte_ctor(ptdesc)); else if (shift == PMD_SHIFT) - BUG_ON(!pgtable_pmd_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pmd_ctor(ptdesc)); return pa; }
As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> --- arch/arm64/include/asm/tlb.h | 14 ++++++++------ arch/arm64/mm/mmu.c | 7 ++++--- 2 files changed, 12 insertions(+), 9 deletions(-)