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From: Andrew Morton <akpm@linux-foundation.org>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Paul Menage <menage@google.com>,
	Pavel Emelianov <xemul@openvz.org>,
	Hugh Dickins <hugh@veritas.com>,
	Sudhir Kumar <skumar@linux.vnet.ibm.com>,
	YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
	lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org,
	taka@valinux.co.jp, linux-mm@kvack.org,
	David Rientjes <rientjes@google.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH] Move memory controller allocations to their own slabs
Date: Mon, 10 Mar 2008 21:41:00 -0700	[thread overview]
Message-ID: <20080310214100.d7fe7904.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080311043149.20251.50059.sendpatchset@localhost.localdomain>

On Tue, 11 Mar 2008 10:01:49 +0530 Balbir Singh <balbir@linux.vnet.ibm.com> wrote:

> 
> 
> Move the memory controller data structures page_cgroup and
> mem_cgroup_per_zone to their own slab caches. It saves space on the system,
> allocations are not necessarily pushed to order of 2 and should provide
> performance benefits.

eh?  Those structures are tiny.  Which slab allocator has gone and used an
order-2 allocation and for which structure did it (stupidly) do this?



  reply	other threads:[~2008-03-11  4:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-11  4:31 Balbir Singh
2008-03-11  4:41 ` Andrew Morton [this message]
2008-03-11  4:45   ` Balbir Singh
2008-03-11  4:45 ` KAMEZAWA Hiroyuki
2008-03-11  4:46   ` Balbir Singh
2008-03-11  5:00 ` + KOSAKI Motohiro
2008-03-11  5:07   ` + Balbir Singh

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