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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2011-05-24 17:11:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 08:39:09 -0700
commit1b79acc91115ba47e744b70bb166b77bd94f5855 (patch)
tree9097834522de3840845368312c09b5ad4a98e5e5 /mm/page_alloc.c
parent839a4fcc8af7412be2efd11f0bd0504757f79f08 (diff)
downloadop-kernel-dev-1b79acc91115ba47e744b70bb166b77bd94f5855.zip
op-kernel-dev-1b79acc91115ba47e744b70bb166b77bd94f5855.tar.gz
mm, mem-hotplug: recalculate lowmem_reserve when memory hotplug occurs
Currently, memory hotplug calls setup_per_zone_wmarks() and calculate_zone_inactive_ratio(), but doesn't call setup_per_zone_lowmem_reserve(). It means the number of reserved pages aren't updated even if memory hot plug occur. This patch fixes it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 56d0be3..e133cea 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5094,7 +5094,7 @@ void setup_per_zone_wmarks(void)
* 1TB 101 10GB
* 10TB 320 32GB
*/
-void __meminit calculate_zone_inactive_ratio(struct zone *zone)
+static void __meminit calculate_zone_inactive_ratio(struct zone *zone)
{
unsigned int gb, ratio;
@@ -5140,7 +5140,7 @@ static void __meminit setup_per_zone_inactive_ratio(void)
* 8192MB: 11584k
* 16384MB: 16384k
*/
-static int __init init_per_zone_wmark_min(void)
+int __meminit init_per_zone_wmark_min(void)
{
unsigned long lowmem_kbytes;
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