Commit 2abae55f authored May 23, 2011 by Vivek Goyal Committed by Jens Axboe May 23, 2011

cfq-iosched: Fix a memory leak of per cpu stats for root group



We allocated per cpu stats struct for root group but did not free it.
Fix it.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

parent 345227d7

block/cfq-iosched.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -3940,6 +3940,11 @@ static void cfq_exit_queue(struct elevator_queue *e)
		*/
		if (wait)
		synchronize_rcu();

		#ifdef CONFIG_CFQ_GROUP_IOSCHED
		/* Free up per cpu stats for root group */
		free_percpu(cfqd->root_group.blkg.stats_cpu);
		#endif
		kfree(cfqd);
		}