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thp: ksm: free swap when swapcache page is replaced
authorHugh Dickins <hughd@google.com>
Thu, 13 Jan 2011 23:46:28 +0000 (15:46 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 14 Jan 2011 01:32:38 +0000 (17:32 -0800)
When a swapcache page is replaced by a ksm page, it's best to free that
swap immediately.

Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/ksm.c patch | blob | history

diff --cc mm/ksm.c
Simple merge
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