linux-kernel - Re: linux-next: build failure after merge of the final tree (slab tree related)

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Message-ID: <4C74D1D7.4080608@kernel.org>
Date:	Wed, 25 Aug 2010 10:18:31 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
CC:	Pekka Enberg <penberg@...helsinki.fi>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (slab
 tree related)

Hello,

On 08/24/2010 08:53 PM, Christoph Lameter wrote:
>> [    0.000000] Kernel panic - not syncing: Cannot create slab kmem_cache
>> size=232 realsize=256 order=0 offset=0 flags=42000
> 
> alloc per cpu result in kmalloc which fails.
> 
> Tejon: Is there some way we could get a reserved per cpu area under UP
> instead of fallback to slab allocations during bootup?

Eh... nasty.  Maybe we can create a alloc_percpu_early() function
which doesn't allow freeing of allocate memory and just redirect to
bootmem on UP?

-- 
tejun
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