diff options
| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2011-05-24 17:11:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:09 -0700 |
| commit | a6cccdc36c966e51fd969560d870cfd37afbfa9c (patch) | |
| tree | 17c48382275e1852604e4a513121760a013dd2c6 /include | |
| parent | 1b79acc91115ba47e744b70bb166b77bd94f5855 (diff) | |
| download | lwn-a6cccdc36c966e51fd969560d870cfd37afbfa9c.tar.gz lwn-a6cccdc36c966e51fd969560d870cfd37afbfa9c.zip | |
mm, mem-hotplug: update pcp->stat_threshold when memory hotplug occur
Currently, cpu hotplug updates pcp->stat_threshold, but memory hotplug
doesn't. There is no reason for this.
[akpm@linux-foundation.org: fix CONFIG_SMP=n build]
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>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/vmstat.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index e73d1030f2f7..51359837511a 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -261,6 +261,7 @@ extern void dec_zone_state(struct zone *, enum zone_stat_item); extern void __dec_zone_state(struct zone *, enum zone_stat_item); void refresh_cpu_vm_stats(int); +void refresh_zone_stat_thresholds(void); int calculate_pressure_threshold(struct zone *zone); int calculate_normal_threshold(struct zone *zone); @@ -313,6 +314,8 @@ static inline void __dec_zone_page_state(struct page *page, #define set_pgdat_percpu_threshold(pgdat, callback) { } static inline void refresh_cpu_vm_stats(int cpu) { } +static inline void refresh_zone_stat_thresholds(void) { } + #endif /* CONFIG_SMP */ extern const char * const vmstat_text[]; |