From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: limit on number of kmapped pages References: 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: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org Return-Path: To: David Wragg Cc: "Benjamin C.R. LaHaise" , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/