More then 2G of memory per process
philippe.gramoulle at mmania.com
Thu Aug 7 06:05:42 CDT 2003
You can find some information on the 4G/4G patch here:
and the patch itself here:
On 06 Aug 2003 18:09:22 -0400
Bill Rankin <wrankin at ee.duke.edu> wrote:
| From: Matt Domsch <Matt_Domsch at Dell.com>
| > > I'm running an application that was developed in house. We are starting
| > > to exceed the limit of approximately 2 gigs of memory per application.
| > > Are there any options that will allow us to increase this limit?
| > Red Hat Enterprise Linux 3 public beta "Taroon" has a 'bigmem' kernel
| > which implements a 4GB kernel / 4GB user memory split. This increases the
| > amount of address space available to user processes from 3GB to just under
| > 4GB, which should help a good bit. It *really* helps the kernel, as it
| > now gets 4GB of address space, up from 1GB previously.
| Can you elaborate (or post a URL) with the details of this enhancement?
| I am very interested in seeing where this memory getts freed from and
| how we can use it to get around the 1-2 GB limit on contiguous data
| structures (in FORTRAN).
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