Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932727AbWCPUnq (ORCPT ); Thu, 16 Mar 2006 15:43:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932732AbWCPUnq (ORCPT ); Thu, 16 Mar 2006 15:43:46 -0500 Received: from mx.pathscale.com ([64.160.42.68]:56279 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S932731AbWCPUnp (ORCPT ); Thu, 16 Mar 2006 15:43:45 -0500 Subject: Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver From: "Bryan O'Sullivan" To: Linus Torvalds Cc: Hugh Dickins , Andrew Morton , rdreier@cisco.com, hch@infradead.org, linux-kernel@vger.kernel.org In-Reply-To: References: <71644dd19420ddb07a75.1141922823@localhost.localdomain> <1141948516.10693.55.camel@serpentine.pathscale.com> <1141949262.10693.69.camel@serpentine.pathscale.com> <20060309163740.0b589ea4.akpm@osdl.org> <1142470579.6994.78.camel@localhost.localdomain> <1142475069.6994.114.camel@localhost.localdomain> <1142477579.6994.124.camel@localhost.localdomain> <20060315192813.71a5d31a.akpm@osdl.org> <1142485103.25297.13.camel@camp4.serpentine.com> <20060315213813.747b5967.akpm@osdl.org> <1142523201.25297.56.camel@camp4.serpentine.com> <1142538765.10950.16.camel@serpentine.pathscale.com> Content-Type: text/plain Organization: PathScale, Inc. Date: Thu, 16 Mar 2006 12:43:40 -0800 Message-Id: <1142541820.10950.18.camel@serpentine.pathscale.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 572 Lines: 15 On Thu, 2006-03-16 at 12:35 -0800, Linus Torvalds wrote: > The alternative is to always allocate the pages one by one ("order-0"), > and do get_page() when you return them in the ->nopage handler. That will > work with any kernel, so it has the simplicity thing going for it. Thanks. That's a very useful suggestion.