mm: swap-token: add a comment for priority aging
authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Tue, 26 Jul 2011 00:12:08 +0000 (17:12 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 26 Jul 2011 03:57:08 +0000 (20:57 -0700)
commit45ebb840257b060ec54416aebffd9747e210962c
tree0236eba5f2f420dccae80f97a70192ef965d6f5f
parent53bb01f593d50188c8d638f89db96f9b6b042bcd
mm: swap-token: add a comment for priority aging

Document some swap token aging design decisions.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.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>
mm/thrash.c