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

From: Joonsoo Kim
Date: Sun Aug 27 2017 - 20:30:49 EST


On Fri, Aug 25, 2017 at 02:32:13PM -0700, Andrew Morton wrote:
> 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?

Oops. I checked again and I found that this patchset is not dependant
to that patch. It's just leftover from ZONE_CMA patchset.

Thanks.