linux-kernel - Re: Regression on UP ARM from commit e18d65f0500b95d8724b17d8ea9f1116cf390bbe

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Message-ID: <4C8F0CF8.1050309@cs.helsinki.fi>
Date:	Tue, 14 Sep 2010 08:49:44 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <cl@...ux.com>
CC:	Linus Walleij <linus.ml.walleij@...il.com>,
	linux kernel <linux-kernel@...r.kernel.org>, tj@...ux.com,
	"Jonas Åberg" <jonas.aberg@...ricsson.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: Regression on UP ARM from commit e18d65f0500b95d8724b17d8ea9f1116cf390bbe

On 9/13/10 4:58 PM, Christoph Lameter wrote:
> On Sun, 12 Sep 2010, Linus Walleij wrote:
>
>> commit e18d65f0500b95d8724b17d8ea9f1116cf390bbe
>> "slub: Remove static kmem_cache_cpu array for boot"
>> made my ARM 926 UP system hang at boot, if I revert this (have
>> to back out a lot of SLUB patches for that) it comes back up. (Same if I
>> switch to SLAB.)
>>
>> Any hints on how I can get patch around this in a nice way?
>
> This is UP right? Any more details on this one? Does ARM have
> earlyprintk?
>
> Tejun also has some patches that make the percpu allocator work on UP so
> that we do not need the hack (you must have the hack which is commit
> c23e5ad729ac43f5e2fbc080f94cf61f07b4d45f as well to make UP work right!).
>
> I am not sure if they are already in -next though.

Yes, they should be in linux-next. I haven't pulled the changes to 
slab.git, though. Linus, do things work in linux-next if you revert 
commit 5249d039500f05a5ab379286b1d23ab9b04d3f2c ("Slub: UP bandaid")?

			Pekka
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