Commit-ID: 76f290935b1a395ee6c9a14697f16593591d1fe8 Gitweb: http://git.kernel.org/tip/76f290935b1a395ee6c9a14697f16593591d1fe8 Author: Sebastian Andrzej Siewior <[email protected]> AuthorDate: Sun, 27 Nov 2016 00:13:35 +0100 Committer: Thomas Gleixner <[email protected]> CommitDate: Fri, 2 Dec 2016 00:52:35 +0100
mm/vmstat: Drop get_online_cpus() from init_cpu_node_state/vmstat_cpu_dead() Both functions are called with protection against cpu hotplug already so *_online_cpus() could be dropped. Signed-off-by: Sebastian Andrzej Siewior <[email protected]> Acked-by: Michal Hocko <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Johannes Weiner <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Vlastimil Babka <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- mm/vmstat.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/mm/vmstat.c b/mm/vmstat.c index 604f26a..0b63ffb 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1722,24 +1722,19 @@ static void __init init_cpu_node_state(void) { int cpu; - get_online_cpus(); for_each_online_cpu(cpu) node_set_state(cpu_to_node(cpu), N_CPU); - put_online_cpus(); } static void vmstat_cpu_dead(int node) { int cpu; - get_online_cpus(); for_each_online_cpu(cpu) if (cpu_to_node(cpu) == node) - goto end; + return; node_clear_state(node, N_CPU); -end: - put_online_cpus(); } /*
