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Transparent huge pages: refcounting, page cache, scalability

LSF/MM TOPIC Kirill A. Shutemov 1 participant 1 message Nov 27, 2014

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Hello,

I would like to have discussion on future of transparent huge pages. I work on better refcounting for THP[1] which should help to overcome some scalability issues and make semantics around split_huge_page() simpler.

It's also step toward THP in page cache: unlike my previous attempt on the topic with new refcounting we will not need new lock in io path to protect against splitting.

[1] http://article.gmane.org/gmane.linux.kernel.mm/124862

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 Kirill A. Shutemov

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