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-h... and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-fix-potential-missing-h...

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------------------------------------------------------ From: Miaohe Lin linmiaohe@huawei.com 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@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 ---

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@huawei.com are

mm-vmallocc-fix-potential-memory-leak.patch mm-hugetlb-fix-potential-missing-huge-page-size-info.patch