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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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