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

[Vlastimil Babka]

On 05/17/2018 03:36 PM, Ville SyrjÃlà wrote:
> On Thu, May 17, 2018 at 03:21:09PM +0200, Michal Hocko wrote:
>> On Thu 17-05-18 15:59:59, Ville Syrjala wrote:
>>> From: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
>>>
>>> This reverts commit bad8c6c0b1144694ecb0bc5629ede9b8b578b86e.
>>>
>>> Make x86 with HIGHMEM=y and CMA=y boot again.
>>
>> Is there any bug report with some more details? It is much more
>> preferable to fix the issue rather than to revert the whole thing
>> right away.
> 
> The machine I have in front of me right now didn't give me anything.
> Black screen, and netconsole was silent. No serial port on this
> machine unfortunately.

Could you send the .config and more info about the machine, e.g.
/proc/zoneinfo with the patch reverted, etc., the usual stuff when
reporting a bug? Thanks.