Re: [PATCH 0/3] mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE

From: Andrew Morton
Date: Fri Aug 25 2017 - 17:32:20 EST


On Thu, 24 Aug 2017 15:36:30 +0900 js1304@xxxxxxxxx wrote:

> From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
>
> This patchset is the follow-up of the discussion about the
> "Introduce ZONE_CMA (v7)" [1]. Please reference it if more information
> is needed.
>
> In this patchset, the memory of the CMA area is managed by using
> the ZONE_MOVABLE. Since there is another type of the memory in this zone,
> we need to maintain a migratetype for the CMA memory to account
> the number of the CMA memory. So, unlike previous patchset, there is
> less deletion of the code.
>
> Otherwise, there is no big change.
>
> Motivation of this patchset is described in the commit description of
> the patch "mm/cma: manage the memory of the CMA area by using
> the ZONE_MOVABLE". Please refer it for more information.
>
> This patchset is based on linux-next-20170822 plus
> "mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE".
>

But "mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE" did
not do very well at review - both Michal and Vlastimil are looking for
changes. So we're not ready for a patch series which depends upon that
one?