linux-kernel - Re: [PATCH 09/10] workqueue: implement NUMA affinity for unbound workqueues

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Message-ID: <CACvQF531UAJVBr1XtT2aZYOt6XATOC383jM=rfiOR-SB3Hj62w@mail.gmail.com>
Date:	Wed, 20 Mar 2013 23:26:10 +0800
From:	Lai Jiangshan <eag0628@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	laijs@...fujitsu.com, axboe@...nel.dk, jack@...e.cz,
	fengguang.wu@...el.com, jmoyer@...hat.com, zab@...hat.com,
	linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
	davem@...emloft.net, linux-crypto@...r.kernel.org
Subject: Re: [PATCH 09/10] workqueue: implement NUMA affinity for unbound workqueues

On Wed, Mar 20, 2013 at 11:05 PM, Tejun Heo <tj@...nel.org> wrote:
> On Wed, Mar 20, 2013 at 11:03:53PM +0800, Lai Jiangshan wrote:
>> > +enomem:
>> > +       free_workqueue_attrs(tmp_attrs);
>> > +       if (pwq_tbl) {
>> > +               for_each_node(node)
>> > +                       kfree(pwq_tbl[node]);
>>
>> It will free the dfl_pwq multi times.
>
> Oops, you're right.  We need to do
>
>
>         for_eahc_node(node)
>                 if (pwq_tbl[node] != dfl_pwq)
>                         kfree(pwq_tbl[node]);
>         kfree(dfl_pwq);

I also missed.
we still need to put_unbound_pool() before free(pwq)

>
> Thanks!
>
> --
> tejun
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