From: Will Deacon <will@kernel.org>
To: Steven Price <steven.price@arm.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>,
Mark Rutland <mark.rutland@arm.com>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Nicholas Piggin <npiggin@gmail.com>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: Re: [PATCH 1/3] arm64: mm: Add p?d_large() definitions
Date: Mon, 1 Jul 2019 11:15:10 +0100 [thread overview]
Message-ID: <20190701101510.qup3nd6vm6cbdgjv@willie-the-truck> (raw)
In-Reply-To: <3d002af8-d8cd-f750-132e-12109e1e3039@arm.com>
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.
>
> 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.
That explains the sense of deja vu.
> Have you changed your mind about quibbling? ;)
Ha, I suppose I have! If it's not loads of effort to use p?d_leaf() instead
of p?d_large, then I'd certainly prefer that.
Will
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next prev parent reply other threads:[~2019-07-01 10:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-23 9:44 [PATCH 0/3] fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2019-06-23 9:44 ` [PATCH 1/3] arm64: mm: Add p?d_large() definitions Nicholas Piggin
2019-07-01 9:27 ` Will Deacon
2019-07-01 10:03 ` Steven Price
2019-07-01 10:15 ` Will Deacon [this message]
2019-07-02 3:07 ` Nicholas Piggin
2019-07-02 10:46 ` Will Deacon
2019-06-23 9:44 ` [PATCH 2/3] powerpc/64s: Add p?d_large definitions Nicholas Piggin
2019-06-23 9:44 ` [PATCH 3/3] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2019-06-24 6:52 ` Anshuman Khandual
2019-06-25 0:20 ` Nicholas Piggin
2019-06-24 5:52 ` [PATCH 0/3] " Anshuman Khandual
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