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    SubjectRe: [PATCH 00/25] Cleanup and optimise the page allocator V5
    On Fri, 20 Mar 2009, Mel Gorman wrote:

    > good idea one way or the other. Course, this meant a search of the PCP
    > lists or increasing the size of the PCP structure - swings and
    > roundabouts :/

    The PCP list structure irks me a bit. Manipulating doubly linked lists
    means touching at least 3 cachelines. Is it possible to go to a simple
    linked list (one cacheline to be touched)? Or an array of pointers to
    pages instead (one cacheline may contian multiple pointers to pcp pages
    which means multiple pages could be handled with a single cacheline)?

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      Last update: 2009-03-20 17:13    [W:0.019 / U:0.256 seconds]
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