From owner-freebsd-hackers  Sun Jul 11 18:47:21 1999
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To: Jon Ribbens <jon@oaktree.co.uk>
Cc: "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)
References: <Pine.GSO.4.10.9907052110250.13873-100000@uther.wam.umd.edu> <xzp7locthir.fsf@flood.ping.uio.no> <xzp1zektgp2.fsf@flood.ping.uio.no> <5laet8b2l8.fsf@assaris.sics.se> <xzpiu7wrx7q.fsf@flood.ping.uio.no> <5lemij265u.fsf@assaris.sics.se> <3788714D.4E666FFA@newsguy.com> <19990712002043.C7067@oaktree.co.uk>
From: Dag-Erling Smorgrav <des@flood.ping.uio.no>
Date: 12 Jul 1999 03:46:59 +0200
In-Reply-To: Jon Ribbens's message of "Mon, 12 Jul 1999 00:20:43 +0100"
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Jon Ribbens <jon@oaktree.co.uk> writes:
> "Daniel C. Sobral" <dcs@newsguy.com> wrote:
> > OTOH, though, FreeBSD's malloc() is very unlikely to return an out
> > of memory error.
> Why is that?

Because FreeBSD overcommits memory. You can allocate (almost) as much
memory as you want regardless of how much RAM / swap you have. You
won't run into trouble unless you actually try to use too much of it.

> What happens if the process hits its resource limits?

Malloc() fails with ENOMEM.

DES
-- 
Dag-Erling Smorgrav - des@flood.ping.uio.no


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