linux-kernel - Re: [PATCH] SLAB : Dont allocate empty shared caches

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Message-ID: <84144f020703210613p62bfa578rb8ece4da39b00faf@mail.gmail.com>
Date:	Wed, 21 Mar 2007 15:13:21 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Eric Dumazet" <dada1@...mosbay.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Christoph Lameter" <christoph@...eter.com>,
	"Andi Kleen" <andi@...stfloor.org>,
	"linux kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] SLAB : Dont allocate empty shared caches

On 3/21/07, Eric Dumazet <dada1@...mosbay.com> wrote:
> We can avoid allocating empty shared caches and avoid unecessary check of
> cache->limit. We save some memory. We avoid bringing into CPU cache unecessary
> cache lines.
>
> All accesses to l3->shared are already checking NULL pointers so this patch is
> safe.

Looks good to me.

Acked-by: Pekka Enberg <penberg@...helsinki.fi>
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