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

Will Deacon will at kernel.org
Tue Jul 2 20:46:24 AEST 2019


On Tue, Jul 02, 2019 at 01:07:11PM +1000, Nicholas Piggin wrote:
> Will Deacon's on July 1, 2019 8:15 pm:
> > On Mon, Jul 01, 2019 at 11:03:51AM +0100, Steven Price wrote:
> >> On 01/07/2019 10:27, Will Deacon wrote:
> >> > 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.
> 
> Those page table macro names are horrible. Large, huge, leaf, wtf?
> They could do with a sensible renaming. But this series just follows
> naming that's alreay there on x86.

I realise that, and I wasn't meaning to have a go at you. Just wanted to
make my opinion clear by having a moan :)

Will


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