From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 10 Mar 2008 21:41:00 -0700 From: Andrew Morton Subject: Re: [PATCH] Move memory controller allocations to their own slabs Message-Id: <20080310214100.d7fe7904.akpm@linux-foundation.org> In-Reply-To: <20080311043149.20251.50059.sendpatchset@localhost.localdomain> References: <20080311043149.20251.50059.sendpatchset@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Balbir Singh Cc: Paul Menage , Pavel Emelianov , Hugh Dickins , Sudhir Kumar , YAMAMOTO Takashi , lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org, taka@valinux.co.jp, linux-mm@kvack.org, David Rientjes , KAMEZAWA Hiroyuki List-ID: On Tue, 11 Mar 2008 10:01:49 +0530 Balbir Singh 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? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org