Thread (12 messages) 12 messages, 4 authors, 2019-07-02

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

From: Steven Price <steven.price@arm.com>
Date: 2019-07-01 10:03:58
Also in: linux-mm, linuxppc-dev

On 01/07/2019 10:27, Will Deacon wrote:
Hi Nick,

On Sun, Jun 23, 2019 at 07:44:44PM +1000, Nicholas Piggin wrote:
quoted
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.
Hi Will,

You replied to my posting of this patch before[1], to which you said:
I've have thought p?d_leaf() might match better with your description
above, but I'm not going to quibble on naming.
Have you changed your mind about quibbling? ;)

Steve

[1]
https://lore.kernel.org/lkml/20190611153650.GB4324@fuggles.cambridge.arm.com/ (local)

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