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From: Eric Anderson <anderson@centtech.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: BIGMEM kernel question
Date: Fri, 06 Jul 2001 16:16:24 -0500	[thread overview]
Message-ID: <3B462AA8.F7F0089D@centtech.com> (raw)
In-Reply-To: <E15IckP-0004w6-00@the-village.bc.nu>

Ahh. That makes sense.  So how can I change the chunk size from 64k to
something higher (I assume I could set it to 128k to effectively double
that 3GB to 6GB)?  

Eric Anderson


Alan Cox wrote:
> 
> > kernel.  My machine has 4GB of RAM, and 6GB of swap.  It appears that I
> > can only allocate 2930 MB (using heapc_linux and other programs).  What
> > do I need to do to get Linux to allow allocation of all available memory
> 
> A non x86 based computer. Its basically impractical to map more than 3Gb of
> memory to user space per process on x86. You can use mmap and shared memory
> to do DOS EMS like tricks with gig rather than 64K sized chunks but you want
> a real 64bit processor to go further
> 
> Alan

-- 
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Eric Anderson	 anderson@centtech.com    Centaur Technology    (512)
418-5792
For every complex problem, there is a solution that is simple, neat, and
wrong.
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  reply	other threads:[~2001-07-06 21:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-06 20:51 BIGMEM kernel question Eric Anderson
2001-07-06 21:02 ` Brian Gerst
2001-07-06 21:02 ` Alan Cox
2001-07-06 21:16   ` Eric Anderson [this message]
2001-07-06 21:28     ` Rik van Riel
2001-07-06 21:46     ` Alan Cox
2001-07-06 21:16 ` NCR 35XXXX MCA bus and SMP Paulo

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