Messages in this thread | | | Subject | Re: more than 3 GB in userspace (4G/4G patch?) for 2.6.16 | From | Dave Hansen <> | Date | Tue, 13 Jun 2006 14:37:01 -0700 |
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On Tue, 2006-06-13 at 14:30 -0700, H. Peter Anvin wrote: > > A 0.5/3.5 GB split appears to be what I need for my application. > > That is incompatible with PAE. The way PAE works, the split has to be > an even number of gigabytes.
Well, there have been ancient patches available in the past. People pop up now and again and ask for them. This is _horribly_ out of date, but it at least indicates that this is possible.
The basic idea is that you never share a kernel PMD page. Each process needs to allocate four of its own:
http://lkml.org/lkml/2003/5/9/138
-- Dave
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