Re: [PATCH v3] mm/memory_hotplug: Fix try_offline_node()

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> Am 16.11.2019 um 01:08 schrieb Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>:
> 
> On Thu, 7 Nov 2019 19:58:45 -0800 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
>> On Thu, 7 Nov 2019 00:14:13 +0100 David Hildenbrand <david@xxxxxxxxxx> wrote:
>> 
>>>> +    /*
>>>> +     * Especially offline memory blocks might not be spanned by the
>>>> +     * node. They will get spanned by the node once they get onlined.
>>>> +     * However, they link to the node in sysfs and can get onlined later.
>>>> +     */
>>>> +    rc = for_each_memory_block(&nid, check_no_memblock_for_node_cb);
>>>> +    if (rc)
>>>>          return;
>>>> -    }
>>>> 
>>>>      if (check_cpu_on_node(pgdat))
>>>>          return;
>>>> 
>>> 
>>> @Andrew, can you queued this one instead of v1 so we can give this some 
>>> more testing? Thanks!
>> 
>> Sure.
>> 
>> We have a tested-by but no reviewed-by or acked-by :(
>> 
>> Null pointer derefs are unpopular.  Should we cc:stable?
> 
> <Crickets>
> 
> I added cc:stable and shall send it upstream unreviewed.

Yes, please cc:stable at as mentioned in the patch comments (below the description). Maybe we‘ll find somebody last minute to review ... thanks!

> 






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