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SubjectRe: [PATCH] MM : alloc_large_system_hash() can free some memory for non power-of-two bucketsize
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From: Eric Dumazet <dada1@cosmosbay.com>
Date: Sat, 19 May 2007 20:07:11 +0200

> Maybe David has an idea how this can be done properly ?
>
> ref : http://marc.info/?l=linux-netdev&m=117706074825048&w=2

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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