From: Pekka Enberg <penberg@kernel.org>
To: Christoph Lameter <cl@linux.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
David Rientjes <rientjes@google.com>,
"Alex,Shi" <alex.shi@intel.com>,
Shaohua Li <shaohua.li@intel.com>, Matt Mackall <mpm@selenic.com>
Subject: Re: [PATCH] slub: prefetch next freelist pointer in slab_alloc()
Date: Tue, 24 Jan 2012 21:54:38 +0200 (EET) [thread overview]
Message-ID: <alpine.LFD.2.02.1201242152480.1658@tux.localdomain> (raw)
In-Reply-To: <alpine.DEB.2.00.1112161030270.26651@router.home>
On Fri, 16 Dec 2011, Eric Dumazet wrote:
>> Recycling a page is a problem, since freelist link chain is hot on
>> cpu(s) which freed objects, and possibly very cold on cpu currently
>> owning slab.
On Fri, 16 Dec 2011, Christoph Lameter wrote:
> Good idea. How do the tcp benchmarks look after this?
>
> Looks sane.
>
> Acked-by: Christoph Lameter <cl@linux.com>
Applied, thanks!
next prev parent reply other threads:[~2012-01-24 19:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-16 15:25 [PATCH] slub: prefetch next freelist pointer in slab_alloc() Eric Dumazet
2011-12-16 16:31 ` Christoph Lameter
2011-12-16 17:18 ` Eric Dumazet
2011-12-17 22:56 ` Eric Dumazet
2012-01-24 19:54 ` Pekka Enberg [this message]
2012-01-30 21:32 ` Geert Uytterhoeven
2012-01-30 21:53 ` Christoph Lameter
2012-02-09 20:00 ` Geert Uytterhoeven
2011-12-18 22:47 ` David Rientjes
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