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, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>