From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id 527276B01FC for ; Tue, 6 Apr 2010 09:13:38 -0400 (EDT) Subject: Re: [PATCH 00 of 41] Transparent Hugepage Support #17 Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Theodore Tso In-Reply-To: <20100406111619.GD17882@csn.ul.ie> Date: Tue, 6 Apr 2010 09:13:20 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: <13812DAC-4B53-4B6B-8725-EBC9E735AF96@mit.edu> References: <20100405120906.0abe8e58.akpm@linux-foundation.org> <20100405193616.GA5125@elte.hu> <20100405232115.GM5825@random.random> <20100406093021.GC17882@csn.ul.ie> <20100406111619.GD17882@csn.ul.ie> Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Andrea Arcangeli , Linus Torvalds , Pekka Enberg , Ingo Molnar , Andrew Morton , linux-mm@kvack.org, Marcelo Tosatti , Adam Litke , Avi Kivity , Izik Eidus , Hugh Dickins , Nick Piggin , Rik van Riel , Dave Hansen , Benjamin Herrenschmidt , Mike Travis , KAMEZAWA Hiroyuki , Christoph Lameter , Chris Wright , bpicco@redhat.com, KOSAKI Motohiro , Balbir Singh , Arnd Bergmann , "Michael S. Tsirkin" , Peter Zijlstra , Johannes Weiner , Daisuke Nishimura List-ID: On Apr 6, 2010, at 7:16 AM, Mel Gorman wrote: >=20 > Does this clarify why min_free_kbytes helps and why the "recommended" > value is what it is? Thanks, this is really helpful. I wonder if it might be a good idea to = have a boot command-line option which automatically sets = vm.min_free_kbytes to the right value? Most administrators who are = used to using hugepages, are most familiar with needing to set boot = command-line options, and this way they won't need to try to find this = new userspace utility. I was looking for hugeadm on Ubuntu, for = example, and I couldn't find it. Regards, -- Ted -- 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