On 05/17/2018 03:36 PM, Ville Syrjälä 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 Syrjälä <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.