Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752503Ab2F2HTh (ORCPT ); Fri, 29 Jun 2012 03:19:37 -0400 Received: from mx2.parallels.com ([64.131.90.16]:45587 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751210Ab2F2HTf (ORCPT ); Fri, 29 Jun 2012 03:19:35 -0400 Message-ID: <4FED5661.1030102@parallels.com> Date: Fri, 29 Jun 2012 11:16:49 +0400 From: Glauber Costa User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 MIME-Version: 1.0 To: Kamezawa Hiroyuki CC: Tejun Heo , David Rientjes , Michal Hocko , Zhouping Liu , , Li Zefan , CAI Qian , LKML , Andrew Morton Subject: Re: memcg: cat: memory.memsw.* : Operation not supported References: <2a1a74bf-fbb5-4a6e-b958-44fff8debff2@zmail13.collab.prod.int.phx2.redhat.com> <34bb8049-8007-496c-8ffb-11118c587124@zmail13.collab.prod.int.phx2.redhat.com> <20120627154827.GA4420@tiehlicka.suse.cz> <20120627200926.GR15811@google.com> <20120627202430.GS15811@google.com> <4FEBD7C0.7090906@jp.fujitsu.com> In-Reply-To: <4FEBD7C0.7090906@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 21 On 06/28/2012 08:04 AM, Kamezawa Hiroyuki wrote: >> >> I still wish it's folded into CONFIG_MEMCG and conditionalized just on >> CONFIG_SWAP tho. >> > > In old days, memsw controller was not very stable. So, we devided the > config. > And, it makes size of memory for swap-device double (adds 2bytes per > swapent.) > That is the problem. That's the tendency to happen with anything new, since we want to add it without disrupting what's already in there. I am not very fond of config options explosions myself, so I am for removing it. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/