large pages
Chuck Swiger
cswiger at mac.com
Mon Jul 2 01:39:52 UTC 2007
Wojciech Puchar wrote:
> does FreeBSD {can,will,patch exist} supports using huge pages? i mean 2M
> pages on AMD64 and 2/4M pages on i386
I believe so, yes-- isn't this what the PAE kernel option does?
> i need freebsd just for running one program needing about 1280 megs of
> data space (+1-2 meg of code stacks etc. can be normally mapped).
> everything else is just using less than 1% of power.
>
> with 1536MB AMD64 machine it would be nice for FreeBSD to boot seeing
> 256 megs for itself and allowing 1280 megs to be mapped&locked to just
> one program.
Hmm. Doesn't FreeBSD's default VM behavior do just fine dealing with one
large active process without any unusual tuning?
--
-Chuck
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