From owner-cvs-src Thu Mar 13 23:12:40 2003 Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3621337B404 for ; Thu, 13 Mar 2003 23:12:39 -0800 (PST) Received: from relay.pair.com (relay.pair.com [209.68.1.20]) by mx1.FreeBSD.org (Postfix) with SMTP id 1A45F43F3F for ; Thu, 13 Mar 2003 23:12:37 -0800 (PST) (envelope-from silby@silby.com) Received: (qmail 24395 invoked from network); 14 Mar 2003 07:12:35 -0000 Received: from niwun.pair.com (HELO localhost) (209.68.2.70) by relay.pair.com with SMTP; 14 Mar 2003 07:12:35 -0000 X-pair-Authenticated: 209.68.2.70 Date: Fri, 14 Mar 2003 01:09:25 -0600 (CST) From: Mike Silbersack To: David Schultz Cc: Alfred Perlstein , src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_map.c vm_map.h vm_pageout.c In-Reply-To: <20030314064614.GA20500@HAL9000.homeunix.com> Message-ID: <20030314010729.D988@odysseus.silby.com> References: <200303122313.h2CNDHMU046431@repoman.freebsd.org> <20030312175458.J32334@odysseus.silby.com> <20030313005115.GA11794@HAL9000.homeunix.com> <20030313154226.X682@odysseus.silby.com> <20030313224223.GP4145@elvis.mu.org> <20030314064614.GA20500@HAL9000.homeunix.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-src@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 13 Mar 2003, David Schultz wrote: > Thus spake Alfred Perlstein : > > Shooting from the hip here, but why not just forcefully toss away the > > process's vmspace or a subset of it? Basically have the pageout > > deamon deallocate the "to be killed" process's address space? > > Sharing would just make that a pain. You're not even guaranteed > to get anything out of cannibalizing the address space if it's > shared. I think I'll wait until someone presents conclusive > evidence that the requirement that processes be swapped in before > they are killed is really an issue in practice. David, we're just discussing the issue, not requiring you to fix it. As such, there's no need to deny the existence of the problem I saw last time I did OOM testing. It's OK to admit that there are bugs in the kernel which aren't going to be fixed immediately, don't get overly excited about it. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-src" in the body of the message