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    SubjectRe: [PATCH 2/2] use hlist for pid hash
    On Saturday 21 August 2004 21:46, you wrote:
    > This comes at the "expense" of
    > 1. reintroducing the memory prefetch into the hash traversal loop;
    > 2. adding new pids to the head of the list instead of the tail. I
    > suspect that if this was a big problem then the hash isn't sized
    > well or could benefit from moving hot entries to the head.

    It looks like the current code is already adding PIDs to the head: list_add()
    adds to the head of a list and list_add_tail() adds to the tail.

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