linux-kernel - Re: [patch] slub crashes with recent -git

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Message-ID: <20070720193008.GA4190@elte.hu>
Date:	Fri, 20 Jul 2007 21:30:08 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Christoph Lameter <clameter@....com>
Subject: Re: [patch] slub crashes with recent -git


* Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU> wrote:

> On Thu, 2007-07-19 at 21:42 +0200, Ingo Molnar wrote:
> > Linus, Christoph,
> > 
> > recent slub commits in -git cause this bootup crash:
> > 
> >  Freeing unused kernel memory: 324k freed
> >  Write protecting the kernel read-only data: 1294k
> 
> Just curious, are the crashes even possible in 2.6.22.1? (I see the 
> same patchable code snippet in the source). Just wondering if I should 
> also apply this to 2.6.21.1-rt4...

no, i think they are unique to .23, due to the recent stricter behavior 
introduced for zero-sized allocs.

	Ingo
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