Re: [RFC V1 14/16] arm64/mm: Enable fixmap with 5 level page table

From: David Hildenbrand (Arm)

Date: Wed Apr 08 2026 - 08:43:34 EST


On 2/24/26 06:11, Anshuman Khandual wrote:
> Enable fixmap with 5 level page table when required. This creates table
> entries at the PGD level. Add a fallback stub for pgd_page_paddr() when
> (PGTBALE_LEVELS <= 4) which helps in intercepting any unintended usage.

Can you add the "why" ?


--
Cheers,

David