[Uclinux-h8-devel] [PATCH v2 00/13] mm: remove __ARCH_HAS_5LEVEL_HACK

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Russell King - ARM Linux admin linux****@armli*****
2020年 2月 16日 (日) 17:22:30 JST


On Sun, Feb 16, 2020 at 10:18:30AM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt****@linux*****>
> 
> Hi,
> 
> These patches convert several architectures to use page table folding and
> remove __ARCH_HAS_5LEVEL_HACK along with include/asm-generic/5level-fixup.h.
> 
> The changes are mostly about mechanical replacement of pgd accessors with p4d
> ones and the addition of higher levels to page table traversals.
> 
> All the patches were sent separately to the respective arch lists and
> maintainers hence the "v2" prefix.

You fail to explain why this change which adds 488 additional lines of
code is desirable.

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