From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx157.postini.com [74.125.245.157]) by kanga.kvack.org (Postfix) with SMTP id 3BCA46B0033 for ; Thu, 20 Jun 2013 16:37:39 -0400 (EDT) Received: by mail-pb0-f49.google.com with SMTP id jt11so6602661pbb.22 for ; Thu, 20 Jun 2013 13:37:38 -0700 (PDT) Date: Thu, 20 Jun 2013 13:37:36 -0700 (PDT) From: David Rientjes Subject: Re: [PATCH v2] Make transparent hugepages cpuset aware In-Reply-To: <1371697844.5739.29.camel@marge.simpson.net> Message-ID: References: <1370967244-5610-1-git-send-email-athorlton@sgi.com> <20130618164537.GJ16067@sgi.com> <20130619093212.GX3658@sgi.com> <20130620022739.GF3658@sgi.com> <1371697844.5739.29.camel@marge.simpson.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Mike Galbraith Cc: Robin Holt , Alex Thorlton , linux-kernel@vger.kernel.org, Li Zefan , Rob Landley , Andrew Morton , Mel Gorman , Rik van Riel , "Kirill A. Shutemov" , Johannes Weiner , Xiao Guangrong , linux-doc@vger.kernel.org, linux-mm@kvack.org On Thu, 20 Jun 2013, Mike Galbraith wrote: > > I'm suspecting that you're referring to enlarged rss because of > > khugepaged's max_ptes_none and because you're abusing the purpose of > > cpusets for containerization. > > Why is containerization an abuse? What's wrong with renting out chunks > of a big box farm on the fly like a task motel? If a realtime customer > checks in, he's not gonna be thrilled about sharing a room. > We "abused" cpusets for containerization for years, I'm not implying any negative connotation to it, see the Documentation/x86/x86_64/fake-numa-for-cpusets document that I wrote. It doesn't suggest that we should be controlling thp through cpusets; if he's complaining about static binaries where he can't use a malloc hook then why not make it per-process so users don't have to configure cpusets to control it? -- 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