From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 25 Jan 2001 18:16:21 +0000 From: "Stephen C. Tweedie" Subject: Re: limit on number of kmapped pages Message-ID: <20010125181621.W11607@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ; from dpw@doc.ic.ac.uk on Wed, Jan 24, 2001 at 12:35:12AM +0000 Sender: owner-linux-mm@kvack.org Return-Path: To: David Wragg Cc: "Eric W. Biederman" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Stephen Tweedie List-ID: Hi, On Wed, Jan 24, 2001 at 12:35:12AM +0000, David Wragg wrote: > > > And why do the pages need to be kmapped? > > They only need to be kmapped while data is being copied into them. But you only need to kmap one page at a time during the copy. There is absolutely no need to copy the whole chunk at once. --Stephen -- 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/