Re: [PATCH v4 4/5] mm/cma: remove MIGRATE_CMA

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On 08/09/2016 08:39 AM, js1304@xxxxxxxxx wrote:
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

Now, all reserved pages for CMA region are belong to the ZONE_CMA
and there is no other type of pages. Therefore, we don't need to
use MIGRATE_CMA to distinguish and handle differently for CMA pages
and ordinary pages. Remove MIGRATE_CMA.

Unfortunately, this patch make free CMA counter incorrect because
we count it when pages are on the MIGRATE_CMA. It will be fixed
by next patch. I can squash next patch here but it makes changes
complicated and hard to review so I separate that.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>

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