To: clmason@fusionio.com, cl@linux.com
Cc: penberg@kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
        tony@atomide.com
Subject: Re: [PATCH] Fix crash during slab init
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
References: <20130508003022.GS28721@atomide.com>
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	<20130508181353.23991.17852@localhost.localdomain>
	<0000013e85852607-fd84223c-112e-46b9-a60f-73d9597d90ac-000000@email.amazonses.com>
	<20130508195628.4271.97115@localhost.localdomain>
In-Reply-To: <20130508195628.4271.97115@localhost.localdomain>
Message-Id: <201305090648.HHG43284.FOFHOOVLStMFQJ@I-love.SAKURA.ne.jp>
Date: Thu, 9 May 2013 06:48:23 +0900
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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@fusionio.com>
> Acked-by: Christoph Lameter <cl@linux.com>
> Acked-by: Tony Lindgren <tony@atomide.com>

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