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    SubjectRe: [PATCH] MM : alloc_large_system_hash() can free some memory for non power-of-two bucketsize
    From: Eric Dumazet <>
    Date: Sat, 19 May 2007 20:07:11 +0200

    > Maybe David has an idea how this can be done properly ?
    > ref :

    You need to use __GFP_COMP or similar to make this splitting+freeing
    thing work.

    Otherwise the individual pages don't have page references, only
    the head page of the high-order page will.
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