Messages in this thread | | | Date | Thu, 17 Jan 2002 15:48:10 -0200 (BRST) | From | Rik van Riel <> | Subject | Re: Is there anyway to use 4M pages on x86 linux in user level? |
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On Thu, 17 Jan 2002, Yinlei Yu wrote:
> I am working on a project that keep accessing lots of memory > randomly(say 500MB-1.5GB) and we do have such amount of memory > installed so there's almost no page faults while running the entire > program. Since x86 architecutre has a 4M page feature, is it possible > to make use of these big pages instead of 4K pages in my program (a > user-level application) so I can expect much fewer TLB misses due to > the reduced number of TLB entries?
This isn't currently implemented, still somewhere on the TODO list ;/
Rik -- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" document
http://www.surriel.com/ http://distro.conectiva.com/
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