From: Dave Jones <davej@redhat.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Pekka J Enberg <penberg@cs.Helsinki.FI>,
kevin@koconnor.net, linux-kernel@vger.kernel.org,
jgarzik@pobox.com, manfred@colorfullife.com
Subject: Re: [PATCH] slab leak detector (Was: Size-128 slab leak)
Date: Thu, 2 Feb 2006 03:54:15 -0500 [thread overview]
Message-ID: <20060202085415.GA11831@redhat.com> (raw)
In-Reply-To: <20060202004415.28249549.akpm@osdl.org>
On Thu, Feb 02, 2006 at 12:44:15AM -0800, Andrew Morton wrote:
> Pekka J Enberg <penberg@cs.Helsinki.FI> wrote:
> >
> > Here's a version that uses dbg_userword() instead of overriding bufctls
> > and adds a CONFIG_DEBUG_SLAB_LEAK config option. Upside is that this works
> > with the slab verifier patch and is less invasive.
>
> What is the slab verifier patch?
See the thread.. "Re: 2.6.16rc1-git4 slab corruption"
Pekka posted a rediffed variant of a patch Manfred came up with
a while back, which periodically scans slabs for corruption, which
in the past has caught some bugs where we scribbled in the redzones
of long-living slab objects, which weren't picked up by regular SLAB_DEBUG.
Dave
next prev parent reply other threads:[~2006-02-02 8:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-02 8:25 [PATCH] slab leak detector (Was: Size-128 slab leak) Pekka J Enberg
2006-02-02 8:44 ` Andrew Morton
2006-02-02 8:54 ` Dave Jones [this message]
2006-02-02 8:59 ` Pekka J Enberg
2006-02-03 6:34 ` Manfred Spraul
2006-02-03 11:53 ` Pekka Enberg
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