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    SubjectRe: [Patch 5/7] synchronous block I/O delays
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    On Mon, 2006-02-27 at 04:13 -0500, Shailabh Nagar wrote:
    > Arjan van de Ven wrote:
    >
    > >>+static inline void delayacct_blkio(void)
    > >>+{
    > >>+ if (unlikely(current->delays && delayacct_on))
    > >>+ __delayacct_blkio();
    > >>+}
    > >>
    > >>
    > >
    > >why is this unlikely?
    > >
    > >
    > delayacct_on is expected to be off most of the time,

    that's not really enough I think to warrent a compiler hint

    > hence the compound is
    > unlikely too.

    you then should move that as first in the test instead ;-)



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