linux-kernel - Re: [PATCH] slub: Fix a typo in config name

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Message-ID: <alpine.DEB.2.00.1104130835360.16214@router.home>
Date:	Wed, 13 Apr 2011 08:36:25 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	David Rientjes <rientjes@...gle.com>
cc:	Li Zefan <lizf@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pekka Enberg <penberg@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: [PATCH] slub: Fix a typo in config name

On Tue, 12 Apr 2011, David Rientjes wrote:

> On Tue, 12 Apr 2011, Christoph Lameter wrote:
>
> > On Tue, 12 Apr 2011, Li Zefan wrote:
> >
> > > There's no config named SLAB_DEBUG, and it should be a typo
> > > of SLUB_DEBUG.
> > >
> > > Signed-off-by: Li Zefan <lizf@...fujitsu.com>
> > > ---
> > >
> > > not slub expert, don't know how this bug affects slub debugging.
> >
> > Affects the bootstrap code.
> >
>
> I don't see how, there should be no partial or full slabs for either
> kmem_cache or kmem_cache_node at this point in the boot sequence.  I think
> kmem_cache_bootstrap_fixup() should only need to add the cache to the list
> of slab caches and set the refcount accordingly.

Hmmm... That depends on the number of objects in a slab page. If that is
one then we may have an issue.

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