Commit 40f4b1ea authored Apr 29, 2013 by Cody P Schafer Committed by Linus Torvalds Apr 29, 2013

mm/vmstat: add note on safety of drain_zonestat



Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 5bc7b8ac

mm/vmstat.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -493,6 +493,10 @@ void refresh_cpu_vm_stats(int cpu)
		atomic_long_add(global_diff[i], &vm_stat[i]);
		}

		/*
		* this is only called if !populated_zone(zone), which implies no other users of
		* pset->vm_stat_diff[] exsist.
		*/
		void drain_zonestat(struct zone zone, struct per_cpu_pageset pset)
		{
		int i;