Date: Wed, 22 Jan 2003 19:05:09 -0800 From: David Schultz <dschultz@uclink.Berkeley.EDU> To: Peter Wemm <peter@wemm.org> Cc: Garrett Wollman <wollman@lcs.mit.edu>, Matthew Dillon <dillon@apollo.backplane.com>, arch@FreeBSD.ORG Subject: Re: getsysfd() patch #1 (Re: Virtual memory question) Message-ID: <20030123030509.GA52151@HAL9000.homeunix.com> In-Reply-To: <20030123022158.E5F5B2A7EA@canning.wemm.org> References: <200301222323.h0MNN7co043532@khavrinen.lcs.mit.edu> <20030123022158.E5F5B2A7EA@canning.wemm.org>
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Thus spake Peter Wemm <peter@wemm.org>: > Garrett Wollman wrote: > > > > I would argue that namespace private operations are far better handled > > > in userspace then kernelspace (why waste kernel memory managing > > > private namespaces?). > > > > Private namespaces are bad and unnecessary. We already have anonymous > > shared memory; I don't see any need for ``semi-anonymous'' shared > > memory. The garbage-collection problem is already bad enough. > > Meanwhile, in the real world, it is exactly what we need at work. > Anonymous shared memory (MAP_ANON and /dev/zero) isn't good enough. I suppose it's too late to argue that the L4 interface would be sufficient to solve all these problems... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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