On Tue, Apr 09, 2024 at 02:30:03PM +0300, Kirill A. Shutemov wrote:
> Subject: Re: [PATCHv10 11/18] x86/mm: Make e820_end_ram_pfn() cover E820_TYPE_ACPI ranges
^^^^^^^
e820__end_of_ram_pfn()
> e820__end_of_ram_pfn() is used to calculate max_pfn which, among other
> things, guides where direct mapping ends. Any memory above max_pfn is
> not going to be present in the direct mapping.
>
> e820__end_of_ram_pfn() finds the end of the ram based on the highest
RAM
...
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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