From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 24 Jan 2001 11:14:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 24 Jan 2001 11:14:42 -0500 Received: from slc186.modem.xmission.com ([166.70.9.186]:1552 "EHLO flinx.biederman.org") by vger.kernel.org with ESMTP id ; Wed, 24 Jan 2001 11:14:31 -0500 To: David Wragg Cc: "Benjamin C.R. LaHaise" , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: limit on number of kmapped pages In-Reply-To: From: ebiederm@xmission.com (Eric W. Biederman) Date: 24 Jan 2001 07:27:05 -0700 In-Reply-To: David Wragg's message of "24 Jan 2001 10:09:22 +0000" Message-ID: User-Agent: Gnus/5.0803 (Gnus v5.8.3) Emacs/20.5 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 David Wragg writes: > I'd still like to know what the basis for the current kmap limit > setting is. Mostly at one point kmap_atomic was all there was. It was only the difficulty of implementing copy_from_user with kmap_atomic that convinced people we needed something more. So actually if we can kmap several megabyte at once the kmap limit is quite high. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/