The patch titled
Subject: mm/hugetlb: fix potential missing huge page size info
has been added to the -mm tree. Its filename is
mm-hugetlb-fix-potential-missing-huge-page-size-info.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-fix-potential-missing-huge-page-size-info.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-fix-potential-missing-huge-page-size-info.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Fixes: aa50d3a7aa81 ("Encode huge page size for VM_FAULT_HWPOISON errors")
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/hugetlb.c~mm-hugetlb-fix-potential-missing-huge-page-size-info
+++ a/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;
}
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-vmallocc-fix-potential-memory-leak.patch
mm-hugetlb-fix-potential-missing-huge-page-size-info.patch
