On Fri, 20 Jul 2012, Glauber Costa wrote: > > This is the same btw in SLAB which keeps objects in per cpu caches and > > keeps empty slab pages on special queues. > > > >> This patch marks all memcg caches as dead. kmem_cache_shrink is called > >> for the ones who are not yet dead - this will force internal cache > >> reorganization, and then all references to empty pages will be removed. > > > > You need to call this also for slab to drain the caches and free the pages > > on the empty list. > > > Doesn't the SLAB have a time-based reaper for that? Yes but it will take a couple of minutes to drain the caches. -- 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>