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[PATCH] More page migration: do not inc/dec rss counters
authorChristoph Lameter <clameter@sgi.com>
Fri, 23 Jun 2006 09:03:38 +0000 (02:03 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 23 Jun 2006 14:42:51 +0000 (07:42 -0700)
commit442c9137de8d769053e81d325709dca72f0b5e44
tree200e5ace0310755d88dd1c7597cc0bb540264fe1tree | snapshot
parent6c5240ae7f48c83fcaa8e24fa63e7eb09aba5651commit | diff
[PATCH] More page migration: do not inc/dec rss counters

If we install a migration entry then the rss not really decreases since the
page is just moved somewhere else.  We can save ourselves the work of
decrementing and later incrementing which will just eventually cause cacheline
bouncing.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mm/migrate.c diff | blob | history
mm/rmap.c diff | blob | history
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