Re: [PATCH 1/3] x86, hibernate: Fix nosave_regions setup for hibernation

From: Thomas Gleixner
Date: Thu Aug 30 2018 - 08:45:40 EST

On Mon, 27 Aug 2018, Gu Zhimin wrote:
> Fix this problem by changing pfn limit from max_low_pfn to max_pfn.
> This issue should also exist on 64bits systems, if there are reserved
> regions above 4GB.

Should? Can we please have facts and not some half baken assumptions?

On 64bit max_low_pfn is the same as max_pfn. See init_mem_mapping().