From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [PATCH]: Adding a counter in vma to indicate the number of physical pages backing it From: Arjan van de Ven In-Reply-To: <1149903235.31417.84.camel@galaxy.corp.google.com> References: <1149903235.31417.84.camel@galaxy.corp.google.com> Content-Type: text/plain Date: Sun, 11 Jun 2006 18:09:02 +0200 Message-Id: <1150042142.3131.82.camel@laptopd505.fenrus.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: rohitseth@google.com Cc: Andrew Morton , Linux-mm@kvack.org, Linux-kernel@vger.kernel.org List-ID: On Fri, 2006-06-09 at 18:33 -0700, Rohit Seth wrote: > Below is a patch that adds number of physical pages that each vma is > using in a process. Exporting this information to user space > using /proc//maps interface. is it really worth bloating the vma struct for this? there are quite a few workloads that have a gazilion vma's, and this patch adds both memory usage and cache pressure to those workloads... -- 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