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-rw-r--r--fs/proc/task_mmu.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 288185e24762..ef44bb474ea2 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -792,19 +792,20 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma,
pte_t ptent = *pte;
if (pte_present(ptent)) {
+ ptent = ptep_modify_prot_start(vma->vm_mm, addr, pte);
ptent = pte_wrprotect(ptent);
ptent = pte_clear_soft_dirty(ptent);
+ ptep_modify_prot_commit(vma->vm_mm, addr, pte, ptent);
} else if (is_swap_pte(ptent)) {
ptent = pte_swp_clear_soft_dirty(ptent);
+ set_pte_at(vma->vm_mm, addr, pte, ptent);
}
-
- set_pte_at(vma->vm_mm, addr, pte, ptent);
}
static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma,
unsigned long addr, pmd_t *pmdp)
{
- pmd_t pmd = *pmdp;
+ pmd_t pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp);
pmd = pmd_wrprotect(pmd);
pmd = pmd_clear_soft_dirty(pmd);