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Re: [Xen-devel] [PATCH RFCv2 1/6] mm/memory_hotplug: make remove_memory() take the device_hotplug_lock


  • To: Pasha Tatashin <Pavel.Tatashin@xxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>
  • From: David Hildenbrand <david@xxxxxxxxxx>
  • Date: Fri, 31 Aug 2018 15:12:05 +0200
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  • Cc: Michal Hocko <mhocko@xxxxxxxx>, "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Balbir Singh <bsingharora@xxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Rashmica Gupta <rashmica.g@xxxxxxxxx>, Michael Neuling <mikey@xxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, "linux-acpi@xxxxxxxxxxxxxxx" <linux-acpi@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Len Brown <lenb@xxxxxxxxxx>, YASUAKI ISHIMATSU <yasu.isimatu@xxxxxxxxx>, Nathan Fontenot <nfont@xxxxxxxxxxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Mathieu Malaterre <malat@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, John Allen <jallen@xxxxxxxxxxxxxxxxxx>, "devel@xxxxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 31 Aug 2018 13:12:27 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 30.08.2018 21:35, Pasha Tatashin wrote:
>> +
>> +void __ref remove_memory(int nid, u64 start, u64 size)
> 
> Remove __ref, otherwise looks good:

Indeed, will do.

Thanks for the review. Will resend in two weeks when I'm back from vacation.

Cheers!

> 
> Reviewed-by: Pavel Tatashin <pavel.tatashin@xxxxxxxxxxxxx>
> 
>> +{
>> +    lock_device_hotplug();
>> +    __remove_memory(nid, start, size);
>> +    unlock_device_hotplug();
>> +}
>>  EXPORT_SYMBOL_GPL(remove_memory);
>>  #endif /* CONFIG_MEMORY_HOTREMOVE */


-- 

Thanks,

David / dhildenb

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