On Fri, 10 Aug 2007, Mel Gorman wrote: > > > +#if defined(CONFIG_SMP) && INTERNODE_CACHE_SHIFT > ZONES_SHIFT > > > > Is this necessary? ZONES_SHIFT is always <= 2 so it will work with > > any pointer. Why disable this for UP? > > > > Caution in case the number of zones increases. There was no guarantee of > zone alignment. It's the same reason I have a BUG_ON in the encode > function so that if we don't catch problems at compile-time, it'll go > BANG in a nice predictable fashion.
Caution would lead to a BUG_ON but why the #if? Why exclude UP? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
