Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 18 Mar 2003 09:57:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 18 Mar 2003 09:57:17 -0500 Received: from mx1.redhat.com ([66.187.233.31]:60420 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id ; Tue, 18 Mar 2003 09:57:09 -0500 Date: Tue, 18 Mar 2003 09:08:00 -0600 From: Tommy Reynolds To: Horst von Brand Cc: linux-kernel@vger.kernel.org Subject: Re: Demand paging - Kernel Message-Id: <20030318090800.57118796.reynolds@redhat.com> In-Reply-To: <200303172159.h2HLxsQY025585@pincoya.inf.utfsm.cl> References: <20030317083547.51a4004f.reynolds@redhat.com> <200303172159.h2HLxsQY025585@pincoya.inf.utfsm.cl> Organization: Red Hat GLS X-Mailer: Sylpheed version 0.8.11 (GTK+ 1.2.10; i686-pc-linux-gnu) X-Face: Nr)Jjr, spoke thus: > Tommy Reynolds said: > > Uttered "Breno" , spoke thus: > > > There is a possibility to do demand paging in kernel space address ? > > No. The entire kernel, and all of its data structures, are resident in > > memory all of the time. > The cost of doing it right in a monolitic kernel would probably outweigh > the gains manyfold, and require massive redesign for Linux. In microkernels > it is a lot easier to do (but their performance sucks baby elephants > through straws, so they are moot :-) Dr. von Brand, Thanks for following up on this. You are right, of course: with the source code and enough patience anything could be crafted. I answered in the sense of "is this currently implemented", and it's not ;-) - 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/