summaryrefslogtreecommitdiff
path: root/mm/khugepaged.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/khugepaged.c')
-rw-r--r--mm/khugepaged.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 43ce2f4d2551..4f017339ddb2 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -944,8 +944,7 @@ static void collapse_huge_page(struct mm_struct *mm,
int isolated = 0, result = 0;
struct mem_cgroup *memcg;
struct vm_area_struct *vma;
- unsigned long mmun_start; /* For mmu_notifiers */
- unsigned long mmun_end; /* For mmu_notifiers */
+ struct mmu_notifier_range range;
gfp_t gfp;
VM_BUG_ON(address & ~HPAGE_PMD_MASK);
@@ -1017,9 +1016,8 @@ static void collapse_huge_page(struct mm_struct *mm,
pte = pte_offset_map(pmd, address);
pte_ptl = pte_lockptr(mm, pmd);
- mmun_start = address;
- mmun_end = address + HPAGE_PMD_SIZE;
- mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);
+ mmu_notifier_range_init(&range, mm, address, address + HPAGE_PMD_SIZE);
+ mmu_notifier_invalidate_range_start(&range);
pmd_ptl = pmd_lock(mm, pmd); /* probably unnecessary */
/*
* After this gup_fast can't run anymore. This also removes
@@ -1029,7 +1027,7 @@ static void collapse_huge_page(struct mm_struct *mm,
*/
_pmd = pmdp_collapse_flush(vma, address, pmd);
spin_unlock(pmd_ptl);
- mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
+ mmu_notifier_invalidate_range_end(&range);
spin_lock(pte_ptl);
isolated = __collapse_huge_page_isolate(vma, address, pte);