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Date:      Wed, 23 Jul 2003 15:44:36 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        Matthias Buelow <mkb@mukappabeta.de>
Cc:        Gabor <gabor@vmunix.com>
Subject:   Re: malloc does not return null when out of memory
Message-ID:  <20030723224436.GD22166@Odin.AC.HMC.Edu>
In-Reply-To: <20030723223654.GA24008@moghedien.mukappabeta.net>
References:  <20030723173427.GA72876@vmunix.com> <20030723140329.C92624@carver.gumbysoft.com> <20030723221336.GA26555@pit.databus.com> <20030723223654.GA24008@moghedien.mukappabeta.net>

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On Thu, Jul 24, 2003 at 12:36:54AM +0200, Matthias Buelow wrote:
> Barney Wolff writes:
>=20
> >One might argue that this is a config error, and ulimit should be used
> >to cut the address space to below actually available memory.
>=20
> Wasn't there a sysctl flag to enable/disable overcommitting?
> I think I remember something but I can't find it; it might
> not have been on FreeBSD.

No there isn't.  Overcommit is a fundamental design feature of the BSD
VM.  If you don't like it, find an OS that doesn't do it.  The only one
I can think of off the top of my head in Irix where I've found it to be
a serious pain in the ass.

-- Brooks

--=20
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4

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