The patch titled
Subject: mm: dont split thp page when syscall is called fix 4
has been added to the -mm tree. Its filename is
mm-dont-split-thp-page-when-syscall-is-called-fix-4.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-dont-split-thp-page-when-syscall-is-called-fix-4.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-dont-split-thp-page-when-syscall-is-called-fix-4.patch
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------------------------------------------------------
From: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: mm: dont split thp page when syscall is called fix 4
Compiler gives helpful warnings that madvise_free_pte_range()
has the args to split_huge_pmd() the wrong way round.
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/madvise.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/madvise.c~mm-dont-split-thp-page-when-syscall-is-called-fix-4 mm/madvise.c
--- a/mm/madvise.c~mm-dont-split-thp-page-when-syscall-is-called-fix-4
+++ a/mm/madvise.c
@@ -281,7 +281,7 @@ static int madvise_free_pte_range(pmd_t
next = pmd_addr_end(addr, end);
if (pmd_trans_huge(*pmd)) {
if (next - addr != HPAGE_PMD_SIZE)
- split_huge_pmd(vma, addr, pmd);
+ split_huge_pmd(vma, pmd, addr);
else if (!madvise_free_huge_pmd(tlb, vma, pmd, addr))
goto next;
/* fall through */
_
Patches currently in -mm which might be from hughd@xxxxxxxxxx are
memcg-simplify-and-inline-__mem_cgroup_from_kmem-fix-2.patch
mm-dont-split-thp-page-when-syscall-is-called-fix-4.patch
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