From: Pekka Enberg <penberg@kernel.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "Alex,Shi" <alex.shi@intel.com>,
David Rientjes <rientjes@google.com>,
Christoph Lameter <cl@linux.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: RE: [PATCH 1/3] slub: set a criteria for slub node partial adding
Date: Wed, 14 Dec 2011 08:47:36 +0200 (EET) [thread overview]
Message-ID: <alpine.LFD.2.02.1112140846290.1841@tux.localdomain> (raw)
In-Reply-To: <1323845054.2846.18.camel@edumazet-laptop>
On Wed, 14 Dec 2011, Eric Dumazet wrote:
> We should try to batch things a bit, instead of doing a very small unit
> of work in slow path.
>
> We now have a very fast fastpath, but inefficient slow path.
>
> SLAB has a litle cache per cpu, we could add one to SLUB for freed
> objects, not belonging to current slab. This could avoid all these
> activate/deactivate overhead.
Yeah, this is definitely worth looking at.
Pekka
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next prev parent reply other threads:[~2011-12-14 6:47 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-02 8:23 [PATCH 1/3] slub: set a criteria for slub node partial adding Alex Shi
2011-12-02 8:23 ` [PATCH 2/3] slub: remove unnecessary statistics, deactivate_to_head/tail Alex Shi
2011-12-02 8:23 ` [PATCH 3/3] slub: fill per cpu partial only when free objects larger than one quarter Alex Shi
2011-12-02 14:44 ` [PATCH 2/3] slub: remove unnecessary statistics, deactivate_to_head/tail Christoph Lameter
2011-12-06 21:08 ` David Rientjes
2011-12-02 11:36 ` [PATCH 1/3] slub: set a criteria for slub node partial adding Eric Dumazet
2011-12-02 20:02 ` Christoph Lameter
2011-12-05 2:21 ` Shaohua Li
2011-12-05 10:01 ` Alex,Shi
2011-12-05 3:28 ` Alex,Shi
2011-12-02 14:43 ` Christoph Lameter
2011-12-05 9:22 ` Alex,Shi
2011-12-06 21:06 ` David Rientjes
2011-12-07 5:11 ` Shaohua Li
2011-12-07 7:28 ` David Rientjes
2011-12-12 2:43 ` Shaohua Li
2011-12-12 4:14 ` Alex,Shi
2011-12-12 4:35 ` Shaohua Li
2011-12-12 4:25 ` Alex,Shi
2011-12-12 4:48 ` Shaohua Li
2011-12-12 6:17 ` Alex,Shi
2011-12-12 6:09 ` Eric Dumazet
2011-12-14 1:29 ` David Rientjes
2011-12-14 2:43 ` Shaohua Li
2011-12-14 2:38 ` David Rientjes
2011-12-09 8:30 ` Alex,Shi
2011-12-09 10:10 ` David Rientjes
2011-12-09 13:40 ` Shi, Alex
2011-12-14 1:38 ` David Rientjes
2011-12-14 2:36 ` David Rientjes
2011-12-14 6:06 ` Alex,Shi
2011-12-14 6:44 ` Eric Dumazet
2011-12-14 6:47 ` Pekka Enberg [this message]
2011-12-14 14:53 ` Christoph Lameter
2011-12-14 6:56 ` Alex,Shi
2011-12-14 14:59 ` Christoph Lameter
2011-12-14 17:33 ` Eric Dumazet
2011-12-14 18:26 ` Christoph Lameter
2011-12-13 13:01 ` Shi, Alex
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