Messages in this thread | | | Date | Tue, 27 May 2014 09:38:28 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH RFC 3/3] slub: reparent memcg caches' slabs on memcg offline |
| |
On Fri, 23 May 2014, Vladimir Davydov wrote:
> > If you look at the end of unfreeze_partials() you see that we release > > locks and therefore enable preempt before calling into the page allocator. > > Yes, we release the node's list_lock before calling discard_slab(), but > we don't enable irqs, which are disabled in put_cpu_partial(), just > before calling it, so we call the page allocator with irqs off and > therefore preemption disabled.
Ok that is something that could be fixed.
| |