tree fb02d8fb1699c85cc278e2333ce25916835bf341
parent 240c879f20a605346705be24253bc9fc6fa8a106
author Hugh Dickins <hughd@google.com> 1294962388 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294968758 -0800

thp: ksm: free swap when swapcache page is replaced

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>