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authorMiaohe Lin2021-01-12 15:49:24 -0800
committerLinus Torvalds2021-01-12 18:12:54 -0800
commit0eb98f1588c2cc7a79816d84ab18a55d254f481c (patch)
tree6969e5881a2b293446faa7b93923cffb580b0977 /mm
parentf555befd185dc097ede887eb7b308c2e1c1369d4 (diff)
mm/hugetlb: fix potential missing huge page size info
The huge page size is encoded for VM_FAULT_HWPOISON errors only. So if we return VM_FAULT_HWPOISON, huge page size would just be ignored. Link: https://lkml.kernel.org/r/20210107123449.38481-1-linmiaohe@huawei.com Fixes: aa50d3a7aa81 ("Encode huge page size for VM_FAULT_HWPOISON errors") Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/hugetlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index a2602969873d..18f6ee317900 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4371,7 +4371,7 @@ retry:
* So we need to block hugepage fault by PG_hwpoison bit check.
*/
if (unlikely(PageHWPoison(page))) {
- ret = VM_FAULT_HWPOISON |
+ ret = VM_FAULT_HWPOISON_LARGE |
VM_FAULT_SET_HINDEX(hstate_index(h));
goto backout_unlocked;
}