thp: ksm: free swap when swapcache page is replaced

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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>

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Hugh Dickins 2011-01-13 15:46:28 -08:00 • committed by Linus Torvalds

parent 240c879f20

commit ae52a2adb5

1 changed files with 2 additions and 0 deletions

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mm/ksm.c

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