]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
page_alloc: introduce zone_movable_limit[] to keep movable limit for nodes
authorTang Chen <tangchen@cn.fujitsu.com>
Sat, 23 Feb 2013 00:33:39 +0000 (16:33 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 24 Feb 2013 01:50:14 +0000 (17:50 -0800)
commit6981ec31146cf19454c55c130625f6cee89aab95
treec7f54f81d45c499103268ab95b88d0d617be9c59
parent34b71f1e04fcba578e719e675b4882eeeb2a1f6f
page_alloc: introduce zone_movable_limit[] to keep movable limit for nodes

Introduce a new array zone_movable_limit[] to store the ZONE_MOVABLE
limit from movablemem_map boot option for all nodes.  The function
sanitize_zone_movable_limit() will find out to which node the ranges in
movable_map.map[] belongs, and calculates the low boundary of
ZONE_MOVABLE for each node.

Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Liu Jiang <jiang.liu@huawei.com>
Reviewed-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: Wu Jianguo <wujianguo@huawei.com>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Tested-by: Lin Feng <linfeng@cn.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/page_alloc.c