Date: Wed, 14 Jul 1999 09:53:59 +0100 From: Jon Ribbens <jon@oaktree.co.uk> To: Doug Rabson <dfr@nlsystems.com> Cc: Alfred Perlstein <bright@rush.net>, "Daniel C. Sobral" <dcs@newsguy.com>, freebsd-hackers@freebsd.org, tech-userlevel@netbsd.org, tech@openbsd.org Subject: Re: Replacement for grep(1) (part 2) Message-ID: <19990714095359.A13286@oaktree.co.uk> In-Reply-To: <Pine.BSF.4.10.9907140829520.58023-100000@salmon.nlsystems.com>; from Doug Rabson on Wed, Jul 14, 1999 at 08:31:07AM %2B0100 References: <19990713100228.C10979@oaktree.co.uk> <Pine.BSF.4.10.9907140829520.58023-100000@salmon.nlsystems.com>
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Doug Rabson <dfr@nlsystems.com> wrote: > Overcommit can be used for many reasons. I use it to reserve a large > linear address space to mmap alpha i/o spaces to which allows an efficient > implementation of inx/outx in user mode: > > UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND > 0 43655 43652 7 2 0 12616584 12456 select S ?? 1036:41.62 /usr/X11R6/bin/X -auth /usr/X11R6/lib/X11/xdm/authdir/A:0-w43652 > > The X server is using 12G of address space.. This is not an argument for malloc() to overcommit by default, it is an argument for there to be a way of allocating address space with no swap reserved *when you specifically ask for it*. Of course I would not disagree with this. Cheers Jon -- \/ Jon Ribbens / jon@oaktree.co.uk To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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