linux-kernel - Re: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC and S390

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Date:	Thu, 17 Sep 2009 14:38:08 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Nick Piggin <npiggin@...e.de>
cc:	Mel Gorman <mel@....ul.ie>, Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	heiko.carstens@...ibm.com, mingo@...e.hu, sachinp@...ibm.com
Subject: Re: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC and
 S390

On Thu, 17 Sep 2009, Nick Piggin wrote:

> > This machine has two CPUs (0, 1) and two nodes with actual memory (2,3).
> > After applying a patch to kmem_cache_create, I see in the console
> >
> > MEL::Creating cache pgd_cache CPU 0 Node 0
> > MEL::Creating cache pmd_cache CPU 0 Node 0
> > MEL::Creating cache pid_namespace CPU 0 Node 0
> > MEL::Creating cache shmem_inode_cache CPU 0 Node 0
> > MEL::Creating cache scsi_data_buffer CPU 1 Node 0

So we have two nodes 2,3 nothing on node 0 and we are creating caches on
the node that does not exist? SLQB assumes node 0 is present?

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