Re: x86 question: Can a process have > 3GB memory?

From: Martin J. Bligh (Martin.Bligh@us.ibm.com)
Date: Wed May 08 2002 - 00:33:24 EST


> You can go to 3.5GB, anything more and stuff starts getting real tight
> and not very nice. You can only do 3.5/0.5 on non-PAE, though - PAE
> requires segments to be aligned on 1GB-boundaries.
>
> The attached patch (for which credit goes elsewhere - Ingo or Randy, I
> think?) implements the full range of 1 to 3.5GB user space partitioning,
> selectable at compile-time.

The trouble with this is that on a machine with enough memory to
make it worthwhile, it normally just runs you out of zone_normal
instead ;-(

M.

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