On Sun, 20 Apr 2014, Vladimir Davydov wrote: > * Way #1 - prevent dead kmem caches from caching slabs on free * > > We can modify sl[au]b implementation so that it won't cache any objects > on free if the kmem cache belongs to a dead memcg. Then it'd be enough > to drain per-cpu pools of all dead kmem caches on css offline - no new > slabs will be added there on further frees, and the last object will go > away along with the last slab. You can call kmem_cache_shrink() to force slab allocators to drop cached objects after a free. -- 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>