linux-kernel - Re: [PATCH 3/5] slab.c: remove branch hint

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Message-ID: <84144f020911300944x89309c5r8e9079e1a62fb416@mail.gmail.com>
Date:	Mon, 30 Nov 2009 19:44:27 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Tim Blechmann <tim@...ngt.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, Nick Piggin <npiggin@...e.de>,
	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 3/5] slab.c: remove branch hint

On Mon, Nov 30, 2009 at 6:09 PM, Christoph Lameter
<cl@...ux-foundation.org> wrote:
> On Mon, 30 Nov 2009, Pekka Enberg wrote:
>
>> OK, so it's the generic alloc_skb() function that keeps hitting
>> kmem_cache_alloc_node() with "-1". Christoph, are you okay with removing the
>> unlikely() annotation from __cache_alloc_node()?
>
> Yes. Lets look for other cases in the allocators too.
> kmem_cache_alloc_node used to be mainly used for off node allocations but
> the network alloc_skb() case shows that this is changing now.

Tim, can you please re-send the patch to me so I can apply it?
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