On Thu, 22 Aug 2013, Joonsoo Kim wrote: > With build-time size checking, we can overload the RCU head over the LRU > of struct page to free pages of a slab in rcu context. This really help to > implement to overload the struct slab over the struct page and this > eventually reduce memory usage and cache footprint of the SLAB. Looks fine to me. Can you add the rcu_head to the struct page union? This kind of overload is used frequently elsewhere as well. Then cleanup other cases of such uses (such as in SLUB). Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- 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>