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From: Pavel Emelyanov <xemul@openvz.org>
To: balbir@linux.vnet.ibm.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Hugh Dickins <hugh@veritas.com>,
	Sudhir Kumar <skumar@linux.vnet.ibm.com>,
	YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
	Paul Menage <menage@google.com>,
	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 (v2)
Date: Tue, 11 Mar 2008 11:35:09 +0300	[thread overview]
Message-ID: <47D6443D.9000904@openvz.org> (raw)
In-Reply-To: <47D63FB1.7040502@linux.vnet.ibm.com>

Balbir Singh wrote:
> Pavel Emelyanov wrote:
>> Balbir Singh wrote:
>>> Move the memory controller data structure page_cgroup to its own slab cache.
>>> It saves space on the system, allocations are not necessarily pushed to order
>>> of 2 and should provide performance benefits. Users who disable the memory
>>> controller can also double check that the memory controller is not allocating
>>> page_cgroup's.
>> Can you, please, check how many objects-per-page we have with and 
>> without this patch for SLAB and SLUB?
>>
>> Thanks.
> 
> I can for objects-per-page with this patch for SLUB and SLAB. I am not sure
> about what to check for without this patch. The machine is temporarily busy,

Well, the objects-per-page without the patch is objects-per-page for
according kmalloc cache :)

> I'll check it once I get it back.
> 

Ok, thanks!

  reply	other threads:[~2008-03-11  8:44 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-11  6:18 Balbir Singh
2008-03-11  8:11 ` Pavel Emelyanov
2008-03-11  8:15   ` Balbir Singh
2008-03-11  8:35     ` Pavel Emelyanov [this message]
2008-03-11 11:09       ` Balbir Singh
2008-03-11 13:05         ` Hugh Dickins
2008-03-12  3:38           ` Nick Piggin
2008-03-12  3:48           ` Balbir Singh
2008-03-11 12:55 ` Hugh Dickins
2008-03-11 18:47   ` Balbir Singh

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