From owner-freebsd-hackers Sun Sep 30 12:56: 6 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from elvis.mu.org (elvis.mu.org [216.33.66.196]) by hub.freebsd.org (Postfix) with ESMTP id E677A37B408 for ; Sun, 30 Sep 2001 12:56:03 -0700 (PDT) Received: by elvis.mu.org (Postfix, from userid 1192) id EB43881D01; Sun, 30 Sep 2001 14:55:58 -0500 (CDT) Date: Sun, 30 Sep 2001 14:55:58 -0500 From: Alfred Perlstein To: Jos Backus Cc: hackers@FreeBSD.ORG Subject: Re: VM: dynamic swap remapping (patch) Message-ID: <20010930145558.M59854@elvis.mu.org> References: <20010929141349.A80876@freebie.xs4all.nl> <200109291653.f8TGrRR37689@earth.backplane.com> <20010929232953.B341@eix.do-labs.spb.ru> <20010929175653.Z59854@elvis.mu.org> <20010930120328.A534@eix.do-labs.spb.ru> <20010930035529.G59854@elvis.mu.org> <20010930134437.B284@eix.do-labs.spb.ru> <20010930105509.B2220@lizzy.bugworks.com> <20010930142326.L59854@elvis.mu.org> <20010930123359.A7241@lizzy.bugworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010930123359.A7241@lizzy.bugworks.com>; from josb@cncdsl.com on Sun, Sep 30, 2001 at 12:33:59PM -0701 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG * Jos Backus [010930 14:35] wrote: > On Sun, Sep 30, 2001 at 02:23:26PM -0500, Alfred Perlstein wrote: > > * Jos Backus [010930 12:55] wrote: > > > AIX has SIGDANGER. > > > > Anyone care to tell me how it works in AIX? If the interface is > > nice, cloning it would be kind of cool. > > I don't currently have access to an AIX system, but > > http://as400bks.rochester.ibm.com/doc_link/en_US/a_doc_lib/aixbman/admnconc/pag_space_under.htm > > has some (useful) info. It sure does! I think I'm going to make a proposal on -arch about this, to be perfectly honest, AIX has a good implementation, I haven't read it all yet, but it doesn't look like it gives the applications a notification when the danger is gone, we'll have to figure that out, or I'll have to read more into this. -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message