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authorAndrea Arcangeli <aarcange@redhat.com>2011-01-13 15:46:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:38 -0800
commite9da73d67729b58bba256123e2b4651e0d8a01ac (patch)
tree5e7f8c4d394d625f7832cbd04a8d55f9f0cd0d95 /mm/swap.c
parenta826e422420b461a6247137c292ff83c4800354a (diff)
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thp: compound_lock
Add a new compound_lock() needed to serialize put_page against __split_huge_page_refcount(). Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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