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    SubjectRe: New net features for added performance

    > > an alloc of a PKT_BUF_SZ'd skb immediately follows a free of a
    > > same-sized skb. 100% of the time.
    > Free/Alloc gives the mm the chance to throttle it by failing, and also to
    > recover from fragmentation by packing the slabs. If you don't do it you need
    > to add a hook somewhere that gets triggered on low memory situations and
    > frees the buffers.

    And what? It makes allocation longer lived. Our MM should survive that just

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