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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Christoph Lameter <cl@linux.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	akpm@linuxfoundation.org, Pekka Enberg <penberg@kernel.org>,
	iamjoonsoo@lge.com, brouer@redhat.com
Subject: Re: Slab infrastructure for bulk object allocation and freeing V2
Date: Tue, 31 Mar 2015 13:17:55 +1300	[thread overview]
Message-ID: <20150331131755.5dd5f69a@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1503300927290.6646@gentwo.org>

On Mon, 30 Mar 2015 09:31:19 -0500 (CDT)
Christoph Lameter <cl@linux.com> wrote:

> After all of the earlier discussions I thought it would be better to
> first get agreement on the basic way to allow implementation of the
> bulk alloc in the common slab code. So this is a revision of the initial
> proposal and it just covers the first patch.

I agree, it would be good to get the basic API in.
 
> This patch adds the basic infrastructure for alloc / free operations
> on pointer arrays. It includes a generic function in the common
> slab code that is used in this infrastructure patch to
> create the unoptimized functionality for slab bulk operations.
> 
> Allocators can then provide optimized allocation functions
> for situations in which large numbers of objects are needed.
> These optimization may avoid taking locks repeatedly and
> bypass metadata creation if all objects in slab pages
> can be used to provide the objects required.

I'll volunteer to performance benchmark the different allocators
optimized functions in this area. (I'll have time after April 13th).

 
> Signed-off-by: Christoph Lameter <cl@linux.com>

Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
 
-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Sr. Network Kernel Developer at Red Hat
  Author of http://www.iptv-analyzer.org
  LinkedIn: http://www.linkedin.com/in/brouer

  reply	other threads:[~2015-03-31  0:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-30 14:31 Slab infrastructure for bulk object allocation and freeing V2 Christoph Lameter
2015-03-31  0:17 ` Jesper Dangaard Brouer [this message]
2015-03-31 21:20 ` Andrew Morton
2015-04-02 14:25   ` Christoph Lameter
2015-04-02 20:42     ` Andrew Morton
2015-04-06 18:27       ` Christoph Lameter

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