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().
Thanks,
tglx
