Multiple page size support on FreeBSD?
Benjamin Kaduk
kaduk at MIT.EDU
Mon Apr 8 03:22:46 UTC 2013
On Sun, 7 Apr 2013, Sebastian Feld wrote:
> Does FreeBSD support multiple page sizes in a single userland process
> like Solaris 11 does?
Superpage promotion happens automatically when consecutive data are
accessed according to the proper heuristic. As promotion is dynamic,
necessarily a mixture of page sizes will be in use. I'm not familiar with
the Solaris 11 feature, so I can't say whether there is a direct parallel.
You may be interested in this talk by Kirk McKusick at BSDCan 2011 on the
topic: http://www.youtube.com/watch?v=0wIxny-n_Mg
-Ben Kaduk
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