From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id C57036B0062 for ; Mon, 20 Apr 2009 23:00:11 -0400 (EDT) From: Nick Piggin Subject: Re: [PATCH 0/4] ksm - dynamic page sharing driver for linux v3 Date: Tue, 21 Apr 2009 12:59:58 +1000 References: <1239249521-5013-1-git-send-email-ieidus@redhat.com> <200904170355.26294.nickpiggin@yahoo.com.au> <6934efce0904170008p45cba2c4l3e9ca9f8775c7bde@mail.gmail.com> In-Reply-To: <6934efce0904170008p45cba2c4l3e9ca9f8775c7bde@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904211259.59752.nickpiggin@yahoo.com.au> Sender: owner-linux-mm@kvack.org To: Jared Hulbert Cc: Andrew Morton , Izik Eidus , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, avi@redhat.com, aarcange@redhat.com, chrisw@redhat.com, mtosatti@redhat.com, hugh@veritas.com, kamezawa.hiroyu@jp.fujitsu.com List-ID: On Friday 17 April 2009 17:08:07 Jared Hulbert wrote: > > As everyone knows, my favourite thing is to say nasty things about any > > new feature that adds complexity to common code. I feel like crying to > > hear about how many more instances of MS Office we can all run, if only > > we apply this patch. And the poorly written HPC app just sounds like > > scrapings from the bottom of justification barrel. > > > > I'm sorry, maybe I'm way off with my understanding of how important > > this is. There isn't too much help in the changelog. A discussion of > > where the memory savings comes from, and how far does things like > > sharing of fs image, or ballooning goes and how much extra savings we > > get from this... with people from other hypervisors involved as well. > > Have I missed this kind of discussion? > > Nick, > > I don't know about other hypervisors, fs and balloonings, but I have > tried this out. It works. It works on apps I don't consider, "poorly > written". I'm very excited about this. I got >10% saving in a > roughly off the shelf embedded system. No user noticeable performance > impact. OK well that's what I want to hear. Thanks, that means a lot to me. -- 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