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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
