linux-kernel - Re: mmap, the language go, problems with the linux kernel

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Message-ID: <AANLkTik2m5L-92Gp1OwE3GU6Qu-07QjGio-x2YqfVN8Y@mail.gmail.com>
Date:	Wed, 16 Feb 2011 19:16:22 +0100
From:	Hannes Frederic Sowa <hannes@...lcolloid.de>
To:	"Ted Ts'o" <tytso@....edu>, Martin Capitanio <m@...itanio.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	golang-dev <golang-dev@...glegroups.com>,
	Russ Cox <rsc@...ang.org>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Albert Strasheim <fullung@...il.com>
Subject: Re: mmap, the language go, problems with the linux kernel

On Wed, Feb 9, 2011 at 8:17 PM, Ted Ts'o <tytso@....edu> wrote:
> AIX and the BSD's don't implement RLIMIT_AS at all.  Solaris does, but
> the man page just says "total available memory", again without
> specifying what that means.  Solaris also has a RLIMIT_VMEM, which is
> the total amount of virtual address space, so apparently Solaris seems
> to think that RLIMIT_VMEM and RLIMIT_AS are different things.

Actually, no:
| ./uts/common/sys/resource.h:#define RLIMIT_AS RLIMIT_VMEM

They have a userland daemon called rcapd which enforces rss-limits on
process-groups by paging out their data.
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