From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 25 Mar 2008 16:22:44 -0700 (PDT) Message-Id: <20080325.162244.61337214.davem@davemloft.net> Subject: Re: larger default page sizes... From: David Miller In-Reply-To: References: <20080324.144356.104645106.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org From: Christoph Lameter Date: Tue, 25 Mar 2008 10:48:19 -0700 (PDT) Return-Path: To: clameter@sgi.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, torvalds@linux-foundation.org List-ID: > On Mon, 24 Mar 2008, David Miller wrote: > > > There are ways to get large pages into the process address space for > > compute bound tasks, without suffering the well known negative side > > effects of using larger pages for everything. > > These hacks have limitations. F.e. they do not deal with I/O and > require application changes. Transparent automatic hugepages are definitely doable, I don't know why you think this requires application changes. People want these larger pages for HPC apps. -- 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