From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751998Ab1IXQ6R (ORCPT ); Sat, 24 Sep 2011 12:58:17 -0400 Received: from mga03.intel.com ([143.182.124.21]:44890 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751759Ab1IXQ6Q (ORCPT ); Sat, 24 Sep 2011 12:58:16 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.68,435,1312182000"; d="scan'208";a="55235635" From: Andi Kleen To: Glauber Costa Cc: linux-kernel@vger.kernel.org, paul@paulmenage.org, lizf@cn.fujitsu.com, kamezawa.hiroyu@jp.fujitsu.com, ebiederm@xmission.com, davem@davemloft.net, gthelen@google.com, netdev@vger.kernel.org, linux-mm@kvack.org, kirill@shutemov.name Subject: Re: [PATCH v3 6/7] tcp buffer limitation: per-cgroup limit References: <1316393805-3005-1-git-send-email-glommer@parallels.com> <1316393805-3005-7-git-send-email-glommer@parallels.com> Date: Sat, 24 Sep 2011 09:58:14 -0700 In-Reply-To: <1316393805-3005-7-git-send-email-glommer@parallels.com> (Glauber Costa's message of "Sun, 18 Sep 2011 21:56:44 -0300") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Glauber Costa writes: > This patch uses the "tcp_max_mem" field of the kmem_cgroup to > effectively control the amount of kernel memory pinned by a cgroup. > > We have to make sure that none of the memory pressure thresholds > specified in the namespace are bigger than the current cgroup. I noticed that some other OS known by bash seem to have a rlimit per process for this. Would that make sense too? Not sure how difficult your infrastructure would be to extend to that. -Andi -- ak@linux.intel.com -- Speaking for myself only