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author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2010-09-10 01:38:14 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-10 03:57:25 +0200 |
commit | 5ee28a447625b9fe64fbf7cff026561084fc5f16 (patch) | |
tree | 345e3afc3ce70af1892ce1c0ec953b68ef8a1770 /mm | |
parent | vfs: take O_NONBLOCK out of the O_* uniqueness test (diff) | |
download | linux-5ee28a447625b9fe64fbf7cff026561084fc5f16.tar.xz linux-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; |