linux-kernel - Re: [RFC, PATCH] SLAB : [NUMA] keep nodeid in struct page instead of struct slab

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Message-ID: <Pine.LNX.4.64.0703211752470.20159@sbz-30.cs.Helsinki.FI>
Date:	Wed, 21 Mar 2007 17:55:05 +0200 (EET)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	Eric Dumazet <dada1@...mosbay.com>
cc:	Christoph Lameter <christoph@...eter.com>,
	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC, PATCH] SLAB : [NUMA] keep nodeid in struct page instead
 of struct slab

On Wed, 21 Mar 2007, Eric Dumazet wrote:
> This wont work, because of use_alien_caches knob.
> 
> If use_alien_caches is set to 0, your WARN_ON will trigger many false 
> alarms

How is that? The mapping should always be the same regardless of whether 
we use alien caches or not.
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