Re: i386 PAE support (64g physmem)

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02-22-2008, 12:15 PM

mickey

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Re: i386 PAE support (64g physmem)

On Fri, Jan 13, 2006 at 06:53:12PM +0100, mickey wrote:
> On Thu, Jan 12, 2006 at 03:40:17PM +0100, mickey wrote:
> > re
> > here is the diff that does it.
> > make sure option I686_PAE is in your generic.
> >
> > current design tries to force all dmable memory
> > allocations from the 32bit memory thus avoiding
> > bounce buffering. normal page allocations are
> > otherwise preferred to be in the higher memory.
> > seems to work just fine on averagely loaded machine.
> > last resort is bouncy-bouncy of course...
> >
> > the diff is in:
> > http://doorslam.net/pae.gz

now is a good time to get down on this.
the diff has been updated to -current.
main concern is to test plain kernels w/o any
large memory support.
there are currently problems w/ >8g memory due
to some uvm constraints that can be addressed later.

10x
cu
--
paranoic mickey (my employers have changed but, the name has remained)

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Re: i386 PAE support (64g physmem)