Commit 76f29093 authored Nov 27, 2016 by Sebastian Andrzej Siewior Committed by Thomas Gleixner Dec 02, 2016

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 <bigeasy@linutronix.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: linux-mm@kvack.org
Cc: rt@linutronix.de
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Link: http://lkml.kernel.org/r/20161126231350.10321-8-bigeasy@linutronix.de


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent b32614c0

mm/vmstat.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -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();
		}

		/*

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