From mboxrd@z Thu Jan 1 00:00:00 1970 From: Glauber Costa Subject: Re: [RFC 0/5] forced comounts for cgroups. Date: Wed, 5 Sep 2012 13:48:30 +0400 Message-ID: <50471FEE.8060408@parallels.com> References: <20120905081439.GC3195@dhcp-172-17-108-109.mtv.corp.google.com> <50470A87.1040701@parallels.com> <20120905082947.GD3195@dhcp-172-17-108-109.mtv.corp.google.com> <50470EBF.9070109@parallels.com> <20120905084740.GE3195@dhcp-172-17-108-109.mtv.corp.google.com> <1346835993.2600.9.camel@twins> <20120905091140.GH3195@dhcp-172-17-108-109.mtv.corp.google.com> <50471782.6060800@parallels.com> <1346837209.2600.14.camel@twins> <50471C0C.7050600@parallels.com> <20120905094520.GM3195@dhcp-172-17-108-109.mtv.corp.google.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120905094520.GM3195@dhcp-172-17-108-109.mtv.corp.google.com> Sender: owner-linux-mm@kvack.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Tejun Heo Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, davej@redhat.com, ben@decadent.org.uk, pjt@google.com, lennart@poettering.net, kay.sievers@vrfy.org On 09/05/2012 01:45 PM, Tejun Heo wrote: > Hello, > > On Wed, Sep 05, 2012 at 01:31:56PM +0400, Glauber Costa wrote: >>> > > I simply don't want to have to do two (or more) hierarchy walks for >>> > > accounting on every schedule event, all that pointer chasing is stupidly >>> > > expensive. >> > >> > You wouldn't have to do more than one hierarchy walks for that. What >> > Tejun seems to want, is the ability to not have a particular controller >> > at some point in the tree. But if they exist, they are always together. > Nope, as I wrote in the other reply, Would you mind, then, stopping for a moment and telling us what it is, then, that you envision? -- 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