linux-kernel - Re: 2.6.33.2 kmalloc-8 slab leaks ~512 objects per second

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Date:	Thu, 13 May 2010 13:29:49 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Airlie <airlied@...ux.ie>
Subject: Re: 2.6.33.2 kmalloc-8 slab leaks ~512 objects per second

Tvrtko Ursulin <tvrtko.ursulin@...hos.com> wrote:
> On Wednesday 12 May 2010 14:00:51 Pekka Enberg wrote:
>> [snip]
>>
>> You might want to try out the built-in kernel memory leak detector.
>> See Documentation/kmemleak.txt for details how to enable it and use
>> it.
>
> Thanks for the suggestion, I will have to try it out once but not this time :)
> because 2.6.34-rc7 seems to be fine, or in other words not leaking.

You could just enable CONFIG_DEBUG_KMEMLEAK on 2.6.33, mount the debugfs
and do a 'cat /sys/kernel/debug/kmemleak' after a half-hour or so.

-- 
Catalin
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