linux-kernel - Re: [PATCH] block: Free queue resources at blk_release

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Message-ID: <4E828020.4060205@kernel.dk>
Date:	Tue, 27 Sep 2011 20:02:08 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Hannes Reinecke <hare@...e.de>,
	James Bottomley <James.Bottomley@...allels.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] block: Free queue resources at blk_release_queue()

On 2011-09-27 19:59, Linus Torvalds wrote:
> On Tue, Sep 27, 2011 at 6:15 PM, Jens Axboe <axboe@...nel.dk> wrote:
>>>
>>> But if you forward the actual patch to me (the one I see on lkml seems
>>> to be broken and doesn't compile cleanly because it's assiging a
>>> structure to a pointer), I'll try it out anyway.
>>
>> Thanks, that would be great. It's inlined below.
> 
> Well, I did several USB eject events, and nothing bad happened.
> 
> But as mentioned, I don't think that means much. Have you tried this
> with slub debugging and poisoning? It might be worth some extra
> testing that way.

I'm traveling at the moment, and don't have a stick handy here. I'll try
it tomorrow morning, before and after (both with pagealloc etc debuggin
on).

-- 
Jens Axboe

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