Date: Sun, 7 Apr 2013 23:22:36 -0400 (EDT) From: Benjamin Kaduk <kaduk@MIT.EDU> To: Sebastian Feld <sebastian.n.feld@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Multiple page size support on FreeBSD? Message-ID: <alpine.GSO.1.10.1304072319300.9389@multics.mit.edu> In-Reply-To: <CAHnbEGJuo9Jvskxaog0xLVM_LOse695b4E3fKae7YufOAVZuBg@mail.gmail.com> References: <CAHnbEGJuo9Jvskxaog0xLVM_LOse695b4E3fKae7YufOAVZuBg@mail.gmail.com>
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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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