Messages in this thread | | | Date | Mon, 27 Nov 2006 18:55:50 -0500 | From | Rik van Riel <> | Subject | Re: Page coloring in linux |
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Apan Qasem wrote: > Does anyone know where I can find documentation on the page coloring > algorithm? I just need to find out the the basic heuristics used in > coloring the pages. > > Also, does the kernel source include the page coloring code or do I need > to patch the kernel?
The Linux kernel does not do page coloring.
One reason for this is that the vast majority of processors has 4-way, 8-way or higher cache associativity, meaning that the gains that could be had from coloring are a lot smaller than they used to be.
Cache coloring is not free, either.
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