[PATCH 1/3] arm64: mm: Add p?d_large() definitions

Will Deacon will at kernel.org
Mon Jul 1 19:27:57 AEST 2019


Hi Nick,

On Sun, Jun 23, 2019 at 07:44:44PM +1000, Nicholas Piggin wrote:
> walk_page_range() is going to be allowed to walk page tables other than
> those of user space. For this it needs to know when it has reached a
> 'leaf' entry in the page tables. This information will be provided by the
> p?d_large() functions/macros.

I can't remember whether or not I asked this before, but why not call
this macro p?d_leaf() if that's what it's identifying? "Large" and "huge"
are usually synonymous, so I find this naming needlessly confusing based
on this patch in isolation.

Will


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