diff options
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r-- | fs/proc/task_mmu.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index f08bd31c1081..312578089544 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c | |||
@@ -900,7 +900,14 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, | |||
900 | static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, | 900 | static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, |
901 | unsigned long addr, pmd_t *pmdp) | 901 | unsigned long addr, pmd_t *pmdp) |
902 | { | 902 | { |
903 | pmd_t pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp); | 903 | pmd_t pmd = *pmdp; |
904 | |||
905 | /* See comment in change_huge_pmd() */ | ||
906 | pmdp_invalidate(vma, addr, pmdp); | ||
907 | if (pmd_dirty(*pmdp)) | ||
908 | pmd = pmd_mkdirty(pmd); | ||
909 | if (pmd_young(*pmdp)) | ||
910 | pmd = pmd_mkyoung(pmd); | ||
904 | 911 | ||
905 | pmd = pmd_wrprotect(pmd); | 912 | pmd = pmd_wrprotect(pmd); |
906 | pmd = pmd_clear_soft_dirty(pmd); | 913 | pmd = pmd_clear_soft_dirty(pmd); |