The patch titled
Subject: thp-fix-madv_dontneed-vs-madv_free-race-fix
has been added to the -mm tree. Its filename is
thp-fix-madv_dontneed-vs-madv_free-race-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/thp-fix-madv_dontneed-vs-madv_free-race-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/thp-fix-madv_dontneed-vs-madv_free-race-fix.patch
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------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: thp-fix-madv_dontneed-vs-madv_free-race-fix
Urgh... Power is special again.
Link: http://lkml.kernel.org/r/20170303102636.bhd2zhtpds4mt62a@xxxxxxxxxxxxxxxxxx
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/huge_memory.c~thp-fix-madv_dontneed-vs-madv_free-race-fix mm/huge_memory.c
--- a/mm/huge_memory.c~thp-fix-madv_dontneed-vs-madv_free-race-fix
+++ a/mm/huge_memory.c
@@ -1565,6 +1565,7 @@ bool madvise_free_huge_pmd(struct mmu_ga
unlock_page(page);
if (pmd_young(orig_pmd) || pmd_dirty(orig_pmd)) {
+ pmdp_invalidate(vma, addr, pmd);
orig_pmd = pmd_mkold(orig_pmd);
orig_pmd = pmd_mkclean(orig_pmd);
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
rmap-fix-null-pointer-dereference-on-thp-munlocking.patch
thp-fix-another-corner-case-of-munlock-vs-thps.patch
thp-reduce-indentation-level-in-change_huge_pmd.patch
thp-fix-madv_dontneed-vs-numa-balancing-race.patch
thp-fix-madv_dontneed-vs-madv_free-race.patch
thp-fix-madv_dontneed-vs-madv_free-race-fix.patch
thp-fix-madv_dontneed-vs-clear-soft-dirty-race.patch
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