Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 26 Jul 2002 15:07:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 26 Jul 2002 15:07:56 -0400 Received: from garrincha.netbank.com.br ([200.203.199.88]:13061 "HELO garrincha.netbank.com.br") by vger.kernel.org with SMTP id ; Fri, 26 Jul 2002 15:07:55 -0400 Date: Fri, 26 Jul 2002 16:10:00 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@imladris.surriel.com To: Robert Love cc: Russell Lewis , Subject: Re: Looking for links: Why Linux Doesn't Page Kernel Memory? In-Reply-To: <1027707680.2442.33.camel@sinai> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org 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: 1060 Lines: 31 On 26 Jul 2002, Robert Love wrote: > On Fri, 2002-07-26 at 10:59, Russell Lewis wrote: > > > I have spent some time working on AIX, which pages its kernel memory. > > It pins the interrupt handler functions, and any data that they access, > > but does not pin the other code. > > > > I'm looking for links as to why (unless I'm mistaken) Linux doesn't do > > this, so I can better understand the system. > > Better question is, why would we have page-able kernel memory? We don't want to have generic page-able kernel memory. However, it might be useful to be able to reclaim or page out data structures that might otherwise gobble up all of RAM and crash the machine, say page tables. regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ - 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/