linux-kernel - Re: [PATCH] Fix crash during slab init

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Date:	Thu, 9 May 2013 06:48:23 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	clmason@...ionio.com, cl@...ux.com
Cc:	penberg@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	tony@...mide.com
Subject: Re: [PATCH] Fix crash during slab init

Chris Mason wrote:
> Commit 8a965b3b introduced a regression that caused us to crash early
> during boot.  The commit was introducing ordering of slab creation,
> making sure two odd-sized slabs were created after specific powers of
> two sizes.
> 
> But, if any of the  power of two slabs were created earlier during boot,
> slabs at index 1 or 2 might not get created at all.  This patch makes
> sure none of the slabs get skipped.
> 
> Tony Lindgren bisected this down to the offending commit, which really
> helped because bisect kept bringing me to almost but not quite this one.
> 
> Signed-off-by: Chris Mason <chris.mason@...ionio.com>
> Acked-by: Christoph Lameter <cl@...ux.com>
> Acked-by: Tony Lindgren <tony@...mide.com>

This patch keeps my x86_32 debug kernel boots fine. Thank you.
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