diff options
| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2010-09-09 16:38:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-09 18:57:25 -0700 |
| commit | 5ee28a447625b9fe64fbf7cff026561084fc5f16 (patch) | |
| tree | 345e3afc3ce70af1892ce1c0ec953b68ef8a1770 /mm | |
| parent | 3ab04d5cf9736b7a4e9dfcf28285d8663b01aa0e (diff) | |
| download | lwn-5ee28a447625b9fe64fbf7cff026561084fc5f16.tar.gz lwn-5ee28a447625b9fe64fbf7cff026561084fc5f16.zip | |
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>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/vmstat.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index f389168f9a83..a8d6b59e609a 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -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; |