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| author | Vineet Gupta <vgupta@synopsys.com> | 2015-07-09 17:19:30 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-10-17 17:48:19 +0530 |
| commit | 52585bcc2505d6f888d4ac68ca6c55f6d1ad736a (patch) | |
| tree | 0a6d14c792e9a221b796a7979afdc7642dd0d27f /mm/pgtable-generic.c | |
| parent | 443a6312832fe7362edffed960204f750b230f46 (diff) | |
| download | lwn-52585bcc2505d6f888d4ac68ca6c55f6d1ad736a.tar.gz lwn-52585bcc2505d6f888d4ac68ca6c55f6d1ad736a.zip | |
mm: group pte related helpers together
This reduces/simplifies the diff for the next patch which moves THP
specific code.
No semantical changes !
Acked-by: Kirill A. Shutemov kirill.shutemov@linux.intel.com
Link: http://lkml.kernel.org/r/1442918096-17454-9-git-send-email-vgupta@synopsys.com
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 6b674e00153c..48851894e699 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -57,6 +57,31 @@ int ptep_set_access_flags(struct vm_area_struct *vma, } #endif +#ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH +int ptep_clear_flush_young(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) +{ + int young; + young = ptep_test_and_clear_young(vma, address, ptep); + if (young) + flush_tlb_page(vma, address); + return young; +} +#endif + +#ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH +pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address, + pte_t *ptep) +{ + struct mm_struct *mm = (vma)->vm_mm; + pte_t pte; + pte = ptep_get_and_clear(mm, address, ptep); + if (pte_accessible(mm, pte)) + flush_tlb_page(vma, address); + return pte; +} +#endif + #ifndef __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp, @@ -77,18 +102,6 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, } #endif -#ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH -int ptep_clear_flush_young(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) -{ - int young; - young = ptep_test_and_clear_young(vma, address, ptep); - if (young) - flush_tlb_page(vma, address); - return young; -} -#endif - #ifndef __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH int pmdp_clear_flush_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) @@ -106,19 +119,6 @@ int pmdp_clear_flush_young(struct vm_area_struct *vma, } #endif -#ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH -pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address, - pte_t *ptep) -{ - struct mm_struct *mm = (vma)->vm_mm; - pte_t pte; - pte = ptep_get_and_clear(mm, address, ptep); - if (pte_accessible(mm, pte)) - flush_tlb_page(vma, address); - return pte; -} -#endif - #ifndef __HAVE_ARCH_PMDP_HUGE_CLEAR_FLUSH #ifdef CONFIG_TRANSPARENT_HUGEPAGE pmd_t pmdp_huge_clear_flush(struct vm_area_struct *vma, unsigned long address, |