linux-kernel - Re: [PATCH 1/2] blk-throttle: Free up policy node associated with deleted rule

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Message-ID: <20111025133625.GA23292@redhat.com>
Date:	Tue, 25 Oct 2011 09:36:25 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	jaxboe@...ionio.com, Jens Axboe <axboe@...nel.dk>
Cc:	tj@...nel.org,
	linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] blk-throttle: Free up policy node associated with
 deleted rule

On Thu, Oct 20, 2011 at 05:08:25PM -0400, Vivek Goyal wrote:
> If a rule is being deleted, free up associated policy node. Otherwise
> that memory is leaked.
> 
> Signed-off-by: Vivek Goyal <vgoyal@...hat.com>

Hi Jens,

Do you see any issues with the two patches. Can you please consider these
for merging.

Thanks
Vivek

> ---
>  block/blk-cgroup.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
> index b596e54..4ddf11f 100644
> --- a/block/blk-cgroup.c
> +++ b/block/blk-cgroup.c
> @@ -1085,6 +1085,7 @@ static int blkiocg_file_write(struct cgroup *cgrp, struct cftype *cft,
>  
>  	if (blkio_delete_rule_command(newpn)) {
>  		blkio_policy_delete_node(pn);
> +		kfree(pn);
>  		spin_unlock_irq(&blkcg->lock);
>  		goto update_io_group;
>  	}
> -- 
> 1.7.4.4
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