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    SubjectRe: bug in 2.1.89 include/net/sock.h?
       From: "A.N.Kuznetsov" <>
    Date: Sun, 22 Mar 1998 22:19:57 +0300 (MSK)

    Just create sock_wfree_donotwakeup and skb_set_owner_[somewhat]

    I hacked up something quick like this, it was relatively straight
    forward. But it seems to not make much of a performance difference
    from what I've checked so far. I'll do some more research into it
    before I jump to any conclusions though.

    BTW Does someone remember why the check for wmem_alloc*2 < sndbuf
    was removed from write wakeup routine? It also would
    (hypothetically) improve scheduling, though could have bad some
    interaction with tcp logic. Maybe, tcp should have its own set of
    socket callbacks, which ignore sndbuf, but depend more
    intelligently on tcp state.

    I think it disappeared when Alan moved all generic SOCK initialization
    things into core/sock.c

    But just like the sock_wfree_donotwakeup() thing it may prove to be
    not much of a performance gain at all.

    David S. Miller

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