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| author |  Christophe Leroy <christophe.leroy@csgroup.eu>
| 2023-09-25 20:31:30 +0200 |
|---|---|---|
| committer |  Michael Ellerman <mpe@ellerman.id.au>
| 2023-10-19 17:12:45 +1100 |
| commit | 8c3d9eb323bbf2b37cdc5c01ebf9604175b5970f (patch) | |
| tree | 9e09cd457b8115ceb5cc835410e4632039ce4ad7 | |
| parent | powerpc/nohash: Deduplicate pte helpers (diff) | |
| download | linux-8c3d9eb323bbf2b37cdc5c01ebf9604175b5970f.tar.gz linux-8c3d9eb323bbf2b37cdc5c01ebf9604175b5970f.tar.bz2 linux-8c3d9eb323bbf2b37cdc5c01ebf9604175b5970f.zip | |
powerpc/nohash: Refactor ptep_test_and_clear_young()
Remove ptep_test_and_clear_young() macro, make
__ptep_test_and_clear_young() common to nohash/32 and nohash/64
and change it to become ptep_test_and_clear_young()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/de90679ae169104fa3c98d0a8828d7ede228fc52.1695659959.git.christophe.leroy@csgroup.eu
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 11 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/64/pgtable.h | 19 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/pgtable.h | 11 |
3 files changed, 12 insertions, 29 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index de51f78449a0..b7605000bd91 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -164,17 +164,6 @@ static inline void pmd_clear(pmd_t *pmdp) *pmdp = __pmd(0); } -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG -static inline int __ptep_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - unsigned long old; - old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0, 0); - return (old & _PAGE_ACCESSED) != 0; -} -#define ptep_test_and_clear_young(__vma, __addr, __ptep) \ - __ptep_test_and_clear_young((__vma)->vm_mm, __addr, __ptep) - #define __HAVE_ARCH_PTEP_GET_AND_CLEAR static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index e8bbc6ec1084..56041036fa34 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -145,22 +145,6 @@ static inline void p4d_set(p4d_t *p4dp, unsigned long val) *p4dp = __p4d(val); } -static inline int __ptep_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - unsigned long old; - - old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0, 0); - return (old & _PAGE_ACCESSED) != 0; -} -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG -#define ptep_test_and_clear_young(__vma, __addr, __ptep) \ -({ \ - int __r; \ - __r = __ptep_test_and_clear_young((__vma)->vm_mm, __addr, __ptep); \ - __r; \ -}) - #define __HAVE_ARCH_PTEP_SET_WRPROTECT static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -178,8 +162,7 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH #define ptep_clear_flush_young(__vma, __address, __ptep) \ ({ \ - int __young = __ptep_test_and_clear_young((__vma)->vm_mm, __address, \ - __ptep); \ + int __young = ptep_test_and_clear_young(__vma, __address, __ptep);\ __young; \ }) diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index 21f232d2e34f..2b043b72f642 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -69,6 +69,17 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p } #endif +static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ + unsigned long old; + + old = pte_update(vma->vm_mm, addr, ptep, _PAGE_ACCESSED, 0, 0); + + return (old & _PAGE_ACCESSED) != 0; +} +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG + /* Generic accessors to PTE bits */ #ifndef pte_mkwrite_novma static inline pte_t pte_mkwrite_novma(pte_t pte) |