Re: [PATCH v2 1/7] mm/compaction: split freepages without holding the zone lock

From: Joonsoo Kim
Date: Fri Jun 03 2016 - 08:45:23 EST


2016-06-03 19:10 GMT+09:00 Vlastimil Babka <vbabka@xxxxxxx>:
> On 05/26/2016 04:37 AM, js1304@xxxxxxxxx wrote:
>>
>> From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
>>
>> We don't need to split freepages with holding the zone lock. It will cause
>> more contention on zone lock so not desirable.
>>
>> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
>
>
> So it wasn't possible to at least move this code from compaction.c to
> page_alloc.c? Or better, reuse prep_new_page() with some forged
> gfp/alloc_flags? As we discussed in v1...

Sorry for not mentioning that I did it as a separate patch,
Please see below link which is the last one within this patchset.

Link: http://lkml.kernel.org/r/1464230275-25791-7-git-send-email-iamjoonsoo.kim@xxxxxxx

Thanks.