Re: [RFC PATCH] memcg, oom: move out_of_memory back to the charge path

From: Johannes Weiner
Date: Wed Jun 20 2018 - 15:36:18 EST


On Wed, Jun 20, 2018 at 05:31:48PM +0200, Michal Hocko wrote:
> * Please note that mem_cgroup_oom_synchronize might fail to find a
> * victim and then we have rely on mem_cgroup_oom_synchronize otherwise
> * we would fall back to the global oom killer in pagefault_out_of_memory

I can't quite figure out what this paragraph is trying to
say. "oom_synchronize might fail [...] and we have to rely on
oom_synchronize". Hm?