Re: INFO: rcu_sched detected stalls on CPUs/tasks with `kswapd` and `mem_cgroup_shrink_node`

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Michal Hocko 30/11/16 20:48:

>> Well, after some testing I may say, that your patch:
>> ---------------------8<-----------------------------------
>> commit 7cebc6b63bf75db48cb19a94564c39294fd40959
>> Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
>> Date:   Fri Nov 25 12:48:10 2016 -0800
>>
>>    mm: Prevent shrink_node_memcg() RCU CPU stall warnings
>> ---------------------8<-----------------------------------
>>
>> fixes stall warning and dmesg is clean now.
> 
> Do I get it right that s@cond_resched_rcu_qs@cond_resched@ didn't help?

I didn't try that. I've tried 4 patches from Paul's linux-rcu tree.
I can try another portion of patches, no problem :)

-- 
Boris Zhmurov
System/Network Administrator
mailto: bb@xxxxxxxxxxxxxx
"wget http://kernelpanic.ru/bb_public_key.pgp -O - | gpg --import"

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