Re: [PATCH] mm/memcg: Disable task obj_stock for PREEMPT_RT

From: Michal Hocko
Date: Wed Aug 04 2021 - 04:52:41 EST


On Tue 03-08-21 21:40:35, Waiman Long wrote:
[...]
> The purpose of this series is to improve kmem_cache allocation and free
> performance for non-RT kernel. So not disabling/enabling interrupt help a
> bit in this regard.

Johannes has explained the irq disabling role in the stock draining just
yesterday. Have a look at http://lkml.kernel.org/r/YQlPiLY0ieRb704V@xxxxxxxxxxx
--
Michal Hocko
SUSE Labs