Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 12 Feb 2002 19:33:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 12 Feb 2002 19:33:11 -0500 Received: from dsl-213-023-043-038.arcor-ip.net ([213.23.43.38]:5765 "EHLO starship.berlin") by vger.kernel.org with ESMTP id ; Tue, 12 Feb 2002 19:32:58 -0500 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: William Lee Irwin III , Alan Cox Subject: Re: File BlockSize Date: Wed, 13 Feb 2002 01:36:39 +0100 X-Mailer: KMail [version 1.3.2] Cc: linux-kernel@vger.kernel.org, riel@surriel.com In-Reply-To: <002e01c1b397$1a26d270$3c00a8c0@baazee.com> <20020212205722.GH767@holomorphy.com> In-Reply-To: <20020212205722.GH767@holomorphy.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On February 12, 2002 09:57 pm, William Lee Irwin III wrote: > On Tue, Feb 12, 2002 at 02:37:43PM +0000, Alan Cox wrote: > > Going to a block size bigger than page size causes all sorts of fun with > > allocation failures if there are not two pages free adjacent to one another > > when allocating, and isn't really worth the cost. > > This sounds like fairly severe memory fragmentation, which seems more > worrisome to me than blocksize constraints. Should I look into that? This is one of the chronic VM problems that rmap is supposed to cure, at least it will provide a base on which an active physical defragger can be built. -- Daniel - 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/