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Date: Fri, 20 May 2011 20:02:45 -0400 From: Vivek Goyal <vgoyal@...hat.com> To: linux-kernel@...r.kernel.org, axboe@...nel.dk Cc: dpshah@...gle.com, namhyung@...il.com, vgoyal@...hat.com Subject: [PATCH 1/3] 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@...hat.com> --- block/cfq-iosched.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index d646b27..0316f6e 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -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); } -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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