From: Peter Samuelson <peter@cadcamlab.org>
To: Ivan Stepnikov <iv@spylog.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Memory allocation
Date: Tue, 27 Feb 2001 11:55:26 -0600 [thread overview]
Message-ID: <20010227115526.A19593@cadcamlab.org> (raw)
In-Reply-To: <004901c0a0de$2647d6c0$0e04a8c0@iv>
In-Reply-To: <004901c0a0de$2647d6c0$0e04a8c0@iv>; from iv@spylog.com on Tue, Feb 27, 2001 at 07:55:54PM +0300
[Ivan Stepnikov]
> I tried to call getrlimit(). It shows only 2G available memory and
> there is no way to increase it.
Right. Architectural limit. There needs to be some room in the
address space for kernel stuff, I/O, etc -- in Linux at least, having
to play with your page tables every single time you enter a system call
or IRQ handler would be considered a Bad Thing.
> Could you say me are there any solutions?
a) If you have that much memory, maybe you need a 64-bit CPU.
b) fork() and do IPC. It's the Unix Way.
Peter
next prev parent reply other threads:[~2001-02-27 17:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-27 16:55 Memory allocation Ivan Stepnikov
2001-02-27 17:51 ` Wayne Whitney
2001-02-27 17:55 ` Peter Samuelson [this message]
2003-09-14 18:44 1:1 M:N threading Breno
2003-09-14 19:11 ` Robert Love
2003-09-16 15:04 ` Memory allocation Breno
2007-04-17 2:17 Memory Allocation Brian D. McGrew
2007-04-17 7:06 ` Eric Dumazet
2007-04-18 4:47 ` David Schwartz
[not found] <fa.BkbRyK9fXhgijRwEDN4ejyJhMRQ@ifi.uio.no>
2007-04-17 5:08 ` Robert Hancock
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