On Thu, 27 Sep 2012, David Rientjes wrote: > > This means touching another field from critical paths of the allocators. > > It would increase the cache footprint and therefore reduce performance. > > > > To clarify your statement, you're referring to the mm/slab.c allocation of > new slab pages and when debugging is enabled as "critical paths", correct? > We would disagree on that point.
This is not debugging specific. Flags are also consulted to do RCU processing and other things. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/