Re: [PATCH v2 00/13] mm: remove __ARCH_HAS_5LEVEL_HACK

[Russell King - ARM Linux admin]

On Sun, Feb 16, 2020 at 10:18:30AM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> 
> 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.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up