Re: [PATCH -mm] memcg: do not trigger OOM from add_to_page_cache_locked

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On Tue 27-11-12 09:05:30, KAMEZAWA Hiroyuki wrote:
[...]
> As a short term fix, I think this patch will work enough and seems simple enough.
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

Thanks!
If Johannes is also ok with this for now I will resubmit the patch to
Andrew after I hear back from the reporter.
 
> Reading discussion between you and Johannes, to release locks, I understand
> the memcg need to return "RETRY" for a long term fix. Thinking a little,
> it will be simple to return "RETRY" to all processes waited on oom kill queue
> of a memcg and it can be done by a small fixes to memory.c.

I wouldn't call it simple but it is doable.
-- 
Michal Hocko
SUSE Labs

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