Re: [PATCHSET v2] slab: make memcg slab destruction scalable

From: Tejun Heo
Date: Tue Jan 17 2017 - 11:50:18 EST


Hello,

On Tue, Jan 17, 2017 at 09:12:57AM +0900, Joonsoo Kim wrote:
> Could you confirm that your series solves the problem that is reported
> by Doug? It would be great if the result is mentioned to the patch
> description.
>
> https://bugzilla.kernel.org/show_bug.cgi?id=172991

So, that's an issue in the creation path which is already resolved by
switching to an ordered workqueue (it'd probably be better to use
per-cpu wq w/ @max_active == 1 tho). This patchset is about relesae
path. slab_mutex contention would definitely go down with this but
I don't think there's more connection to it than that.

Thanks.

--
tejun