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authorOtavio Salvador <otavio@ossystems.com.br>2019-12-19 00:14:33 -0300
committerGitHub <noreply@github.com>2019-12-19 00:14:33 -0300
commitfa8a03bec68d9ef89da72277bd3501ed3daa6217 (patch)
tree3d3218332bcb34cb0afa01d6ad996058a3dbcb77 /mm/khugepaged.c
parent6b774eec1f9d3064e9b33634dfa99d5666d0a73a (diff)
parent1ddf624b0b268fdc0b80b1de618b98f8d117afea (diff)
Merge pull request #55 from toradex/4.14-2.0.x-imx
4.14 2.0.x imx
Diffstat (limited to 'mm/khugepaged.c')
-rw-r--r--mm/khugepaged.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index d27a73737f1a..acf66c5dc9bd 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1006,6 +1006,9 @@ static void collapse_huge_page(struct mm_struct *mm,
* handled by the anon_vma lock + PG_lock.
*/
down_write(&mm->mmap_sem);
+ result = SCAN_ANY_PROCESS;
+ if (!mmget_still_valid(mm))
+ goto out;
result = hugepage_vma_revalidate(mm, address, &vma);
if (result)
goto out;