Re: Page coloring in linux

From: Rik van Riel
Date: Mon Nov 27 2006 - 18:59:58 EST


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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