Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754779AbYCXVqj (ORCPT ); Mon, 24 Mar 2008 17:46:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753136AbYCXVqb (ORCPT ); Mon, 24 Mar 2008 17:46:31 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:40514 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753083AbYCXVqa (ORCPT ); Mon, 24 Mar 2008 17:46:30 -0400 Date: Mon, 24 Mar 2008 14:46:29 -0700 (PDT) Message-Id: <20080324.144629.137399000.davem@davemloft.net> To: tony.luck@intel.com Cc: clameter@sgi.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: larger default page sizes... From: David Miller In-Reply-To: <1FE6DD409037234FAB833C420AA843ECE5B88C@orsmsx424.amr.corp.intel.com> References: <20080324.133722.38645342.davem@davemloft.net> <1FE6DD409037234FAB833C420AA843ECE5B88C@orsmsx424.amr.corp.intel.com> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 751 Lines: 20 From: "Luck, Tony" Date: Mon, 24 Mar 2008 14:25:11 -0700 > When memory capacity is measured in hundreds of GB, then > a larger page size doesn't look so ridiculous. We have hugepages and such for a reason. And this can be made more dynamic and flexible, as needed. Increasing the page size is a "stick your head in the sand" type solution by my book. Especially when you can make the hugepage facility stronger and thus get what you want without the memory wastage side effects. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/