Messages in this thread |  | | | Date | Wed, 25 Jul 2012 10:23:40 -0500 (CDT) | | From | Christoph Lameter <> | | Subject | Re: [PATCH v4 24/25] memcg/slub: shrink dead caches |
| |
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.
|  |