Commit 5ee28a44 authored Sep 09, 2010 by KAMEZAWA Hiroyuki Committed by Linus Torvalds Sep 09, 2010

vmstat: update zone stat threshold when onlining a cpu



refresh_zone_stat_thresholds() calculates parameter based on the number of
online cpus.  It's called at cpu offlining but needs to be called at
onlining, too.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 3ab04d5c

mm/vmstat.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -998,6 +998,7 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
		switch (action) {
		case CPU_ONLINE:
		case CPU_ONLINE_FROZEN:
		refresh_zone_stat_thresholds();
		start_cpu_timer(cpu);
		node_set_state(cpu_to_node(cpu), N_CPU);
		break;