Date: Thu, 20 Mar 2003 16:22:55 +0100 From: Phil Regnauld <regnauld@catpipe.net> To: Mario Sergio Fujikawa Ferreira <lioux@FreeBSD.org> Cc: Anton Berezin <tobez@tobez.org>, Dag-Erling Sm?rgrav <des@ofug.org>, Wes Peters <wes@softweyr.com>, Juli Mallett <jmallett@FreeBSD.org>, Eivind Eklund <eivind@FreeBSD.org>, Mike Silbersack <silby@silby.com>, David Schultz <das@FreeBSD.org>, 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 Message-ID: <20030320152255.GF47243@catpipe.net> In-Reply-To: <20030320144928.46460.qmail@exxodus.fedaykin.here> References: <200303122313.h2CNDHMU046431@repoman.freebsd.org> <20030314012954.A42430@FreeBSD.org> <20030314101857.A98861@FreeBSD.org> <200303171156.40901.wes@softweyr.com> <20030319143619.GA47243@catpipe.net> <xzpu1dzyohn.fsf@flood.ping.uio.no> <20030320081820.GA81566@heechee.tobez.org> <20030320085707.GD47243@catpipe.net> <20030320144928.46460.qmail@exxodus.fedaykin.here>
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Mario Sergio Fujikawa Ferreira (lioux) writes:
>
> One thing though. This would only be safe within
> trust boundaries. Suppose a process requests the kernel for a
> contract of all available memory. No other processes will be able
> to request contracts anymore.
> I am not saying this shouldn't be implemented. I am just
> voicing a possible drawback of the solution.
Right. You could combine an explicit, administrator-picked
list of binaries/processes (trusted paths ?) that may invoke
the feature.
Phil
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