| Message ID | 20210304123013.23560-4-linmiaohe@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Cleanup and fixup for khugepaged | expand |
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 287e7ecf978c..e886a8618c33 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -481,7 +481,7 @@ int __khugepaged_enter(struct mm_struct *mm) return -ENOMEM; /* __khugepaged_exit() must not run from under us */ - VM_BUG_ON_MM(atomic_read(&mm->mm_users) == 0, mm); + VM_BUG_ON_MM(khugepaged_test_exit(mm), mm); if (unlikely(test_and_set_bit(MMF_VM_HUGEPAGE, &mm->flags))) { free_mm_slot(mm_slot); return 0;
Commit 4d45e75a9955 ("mm: remove the now-unnecessary mmget_still_valid() hack") have made khugepaged_test_exit() suitable for check mm->mm_users against 0. Use this helper here. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/khugepaged.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)