From: Douglas McNaught <doug@mcnaught.org>
To: kilampka@gmail.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Max mem space per process under 2.6.13-15.7-smp
Date: Tue, 28 Feb 2006 19:11:45 -0500 [thread overview]
Message-ID: <87zmkbm3b2.fsf@suzuka.mcnaught.org> (raw)
In-Reply-To: <1141170947.23172.18.camel@pclampka.informatik.unibw-muenchen.de> (Kai Lampka's message of "Wed, 01 Mar 2006 00:55:47 +0100")
Kai Lampka <kilampka@gmail.com> writes:
> Sorry to bother,
> but what is the maximum amount of RAM that a *single* (!) process can
> address under a Kernel version 2.6.13-15.7-smp, with
>
> CONFIG_HIGHMEM64G=y
> CONFIG_HIGHMEM=y
> CONFIG_X86_PAE=y
>
> It seems that I can not get over 3 Gig border, but i need to, to solve
> my numerical problems :(.
I've heard of a kernel patch that gives you 3.5GB (leaving 0.5 for
the kernel) but you're not going to get any more than that without
buying a 64-bit machine or playing overlay tricks with mmap(). Given
the price and performance of 64-bit hardware, the former option is
probably a lot better.
-Doug
next prev parent reply other threads:[~2006-03-01 0:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-28 23:55 Max mem space per process under 2.6.13-15.7-smp Kai Lampka
2006-03-01 0:11 ` Douglas McNaught [this message]
2006-03-01 7:25 ` Arjan van de Ven
[not found] <5LmVi-6om-11@gated-at.bofh.it>
2006-03-01 1:09 ` Robert Hancock
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