]> git.baikalelectronics.ru Git - kernel.git/commit
mm: compaction: add /proc trigger for memory compaction
authorMel Gorman <mel@csn.ul.ie>
Mon, 24 May 2010 21:32:28 +0000 (14:32 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 25 May 2010 15:06:59 +0000 (08:06 -0700)
commite16dd21d41f9341f4584db652a631387b741fd53
tree8e1566df85e02f67876685c36d217fec4845f79f
parent10c8af4f52fb871a6bbecbf2f201e4cc60f07002
mm: compaction: add /proc trigger for memory compaction

Add a proc file /proc/sys/vm/compact_memory.  When an arbitrary value is
written to the file, all zones are compacted.  The expected user of such a
trigger is a job scheduler that prepares the system before the target
application runs.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Documentation/sysctl/vm.txt
include/linux/compaction.h
kernel/sysctl.c
mm/compaction.c