Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?

From: Alan Cox (
Date: Sun Jan 06 2002 - 11:16:07 EST

> up as a 5% performance loss on normal loads, and this would make it
> worse. We're probably better off implementing PSE. Of course, making
> these kinds of choices is hard without actual statistics of the
> usage patterns we're targetting.

You don't neccessarily need PSE. Migrating to an option to support > 4K
_virtual_ page size is more flexible for x86, although it would need
glibc getpagesize() fixing I think, and might mean a few apps wouldnt
run in that configuration.

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