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

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On 06/03/2016 02:45 PM, Joonsoo Kim wrote:
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

Ah I see. In that case,

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>


Thanks.


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