mm/page_alloc.c: In function '__zone_pcp_update':

mm/page_alloc.c:3165: warning: no return statement in function returning non-void
mm/page_alloc.c:3165: warning: control reaches end of non-void function

Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Shaohua Li <shaohua.li@intel.com>
Cc: Yakui Zhao <yakui.zhao@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/page_alloc.c

@@ -3176,6 +3176,7 @@ static int __zone_pcp_update(void *data)
 		setup_pageset(pset, batch);
 		local_irq_restore(flags);
 	}
+	return 0;
 }
 
 void zone_pcp_update(struct zone *zone)