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

From: Vlastimil Babka
Date: Thu May 17 2018 - 08:18:37 EST


On 05/17/2018 02:59 PM, Ville Syrjala wrote:
> From: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
>
> This reverts commit bad8c6c0b1144694ecb0bc5629ede9b8b578b86e.
>
> Make x86 with HIGHMEM=y and CMA=y boot again.

Um, any more details? This looks rather rash IMHO. Or was there some
previous discussion I haven't seen? We are at rc5 so it can still be
fixed rather than reverted?

> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Cc: Vlastimil Babka <vbabka@xxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Laura Abbott <lauraa@xxxxxxxxxxxxxx>
> Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Michal Nazarewicz <mina86@xxxxxxxxxx>
> Cc: Minchan Kim <minchan@xxxxxxxxxx>
> Cc: Rik van Riel <riel@xxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: linux-mm@xxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>