From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx202.postini.com [74.125.245.202]) by kanga.kvack.org (Postfix) with SMTP id 2F3536B0069 for ; Wed, 15 Aug 2012 11:36:30 -0400 (EDT) Date: Wed, 15 Aug 2012 15:36:28 +0000 From: Christoph Lameter Subject: Re: [PATCH v2 04/11] kmem accounting basic infrastructure In-Reply-To: Message-ID: <000001392aedc393-52afb686-d95c-4ed7-9164-1388267fab06-000000@email.amazonses.com> References: <1344517279-30646-1-git-send-email-glommer@parallels.com> <1344517279-30646-5-git-send-email-glommer@parallels.com> <20120814162144.GC6905@dhcp22.suse.cz> <502B6D03.1080804@parallels.com> <20120815123931.GF23985@dhcp22.suse.cz> <000001392ac15404-43a3fd2c-a6d3-4985-b173-74bb586ad47c-000000@email.amazonses.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Greg Thelen Cc: Michal Hocko , Glauber Costa , linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, devel@openvz.org, Johannes Weiner , Andrew Morton , kamezawa.hiroyu@jp.fujitsu.com, David Rientjes , Pekka Enberg , yinghan@google.com On Wed, 15 Aug 2012, Greg Thelen wrote: > > You can already shrink the reclaimable slabs (dentries / inodes) via > > calls to the subsystem specific shrinkers. Did Ying Han do anything to > > go beyond that? > > cc: Ying > > The Google shrinker patches enhance prune_dcache_sb() to limit dentry > pressure to a specific memcg. Ok then its restricted to the reclaimable slab caches already. The main issue to sort out then is who is the "owner" of an inode/dentry (if something like that exists). If you separate the objects into different pages then the objects may be cleanly separated at the price of more memory use. -- 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