Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263244AbUCNBKV (ORCPT ); Sat, 13 Mar 2004 20:10:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263248AbUCNBId (ORCPT ); Sat, 13 Mar 2004 20:08:33 -0500 Received: from fw.osdl.org ([65.172.181.6]:17083 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S263247AbUCNBIW (ORCPT ); Sat, 13 Mar 2004 20:08:22 -0500 Date: Sat, 13 Mar 2004 17:15:04 -0800 (PST) From: Linus Torvalds To: William Lee Irwin III cc: Andrea Arcangeli , Rajesh Venkatasubramanian , riel@redhat.com, linux-kernel@vger.kernel.org Subject: Re: anon_vma RFC2 In-Reply-To: <20040314010108.GF655@holomorphy.com> Message-ID: References: <20040310135012.GM30940@dualathlon.random> <20040312172600.GC30940@dualathlon.random> <20040313181606.GO30940@dualathlon.random> <20040314002348.GQ30940@dualathlon.random> <20040314010108.GF655@holomorphy.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 747 Lines: 19 On Sat, 13 Mar 2004, William Lee Irwin III wrote: > > find_vma() is often necessary to determine whether the page is mlock()'d. > In schemes where mm's that may not map the page appear in searches, it > may also be necessary to determine if there's even a vma covering the > area at all or otherwise a normal vma, since pagetables outside normal > vmas may very well not be understood by the core (e.g. hugetlb). Both excellent points. I guess we'll need the extra few cache misses. Dang. Linus - 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/