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authorMinchan Kim <minchan.kim@gmail.com>2011-02-01 18:52:33 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-02 19:03:18 -0500
commit48db54ee2f41e8ae2faf330b55db34a9fffb5b3c (patch)
tree5cdf936bf6996e379784e0b75b982a364f437368 /crypto/camellia.c
parent57fc4a5ee322cde96c33f101d3c2d3b79011c05c (diff)
mm/migration: fix page corruption during hugepage migration
If migrate_huge_page by memory-failure fails , it calls put_page in itself to decrease page reference and caller of migrate_huge_page also calls putback_lru_pages. It can do double free of page so it can make page corruption on page holder. In addtion, clean of pages on caller is consistent behavior with migrate_pages by cf608ac19c ("mm: compaction: fix COMPACTPAGEFAILED counting"). Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'crypto/camellia.c')
0 files changed, 0 insertions, 0 deletions