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Re: [PATCH] mm, migrate: count pages failing all retries in vmstat and tracepoint

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On 27.8.2015 23:02, David Rientjes wrote:
> On Thu, 27 Aug 2015, Vlastimil Babka wrote:
> 
>> Migration tries up to 10 times to migrate pages that return -EAGAIN until it
>> gives up. If some pages fail all retries, they are counted towards the number
>> of failed pages that migrate_pages() returns. They should also be counted in
>> the /proc/vmstat pgmigrate_fail and in the mm_migrate_pages tracepoint.
>>
>> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
> 
> Acked-by: David Rientjes <rientjes@google.com>

Thanks.

> I assume nothing else other than stats and tracepoints are affected by 
> this and this isn't a critical bugfix :)

Yep, no stable needed :)

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[PATCH] mm, migrate: count pages failing all retries in vmstat and tracepoint Vlastimil Babka <vbabka@suse.cz> - 2015-08-27 16:30 +0200
  Re: [PATCH] mm, migrate: count pages failing all retries in vmstat  and tracepoint David Rientjes <rientjes@google.com> - 2015-08-27 23:10 +0200
    Re: [PATCH] mm, migrate: count pages failing all retries in vmstat  and tracepoint Vlastimil Babka <vbabka@suse.cz> - 2015-08-27 23:40 +0200

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