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On Sun, 4 Aug 2002, Rik van Riel wrote: > > > In particular, it is useless for the sub-caches to try to maintain their > > own LRU lists and their own accessed bits. But that doesn't mean that > > they can _act_ as if they updated their own accessed bits, while really > > just telling the page-based thing that that page is active.> > I'm not sure I agree with this. For eg. the dcache you will want > to reclaim the less used entries on a page even if there are a few > very intensely used entries on that page. True in theory, but I doubt you will see it very much in practice. Most of the time when you want to free dentries, it is because you have a _ton_ of them. The fact that some will look cold even if they aren't should not matter that much statistically. Yah, it's a guess. We can test it. Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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