Messages in this thread | | | Subject | Re: [Patch 5/7] synchronous block I/O delays | From | Arjan van de Ven <> | Date | Mon, 27 Feb 2006 10:18:50 +0100 |
| |
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 ;-)
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |