Re: [PATCH v6 06/18] mm: Tidy up pte_next_pfn() definition

From: David Hildenbrand <david@redhat.com>
To: Ryan Roberts <ryan.roberts@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Ard Biesheuvel <ardb@kernel.org>,
	Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
	Andrey Ryabinin <ryabinin.a.a@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <willy@infradead.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	John Hubbard <jhubbard@nvidia.com>, Zi Yan <ziy@nvidia.com>,
	Barry Song <21cnbao@gmail.com>,
	Alistair Popple <apopple@nvidia.com>,
	Yang Shi <shy828301@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Cc: linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 06/18] mm: Tidy up pte_next_pfn() definition
Date: Thu, 15 Feb 2024 11:43:25 +0100	[thread overview]
Message-ID: <b956a94f-8731-4b14-b8c2-ed6b33a67182@redhat.com> (raw)
In-Reply-To: <20240215103205.2607016-7-ryan.roberts@arm.com>

On 15.02.24 11:31, Ryan Roberts wrote:
> Now that the all architecture overrides of pte_next_pfn() have been
> replaced with pte_advance_pfn(), we can simplify the definition of the
> generic pte_next_pfn() macro so that it is unconditionally defined.
> 
> Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
> ---
>   include/linux/pgtable.h | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
> index b7ac8358f2aa..bc005d84f764 100644
> --- a/include/linux/pgtable.h
> +++ b/include/linux/pgtable.h
> @@ -212,7 +212,6 @@ static inline int pmd_dirty(pmd_t pmd)
>   #define arch_flush_lazy_mmu_mode()	do {} while (0)
>   #endif
>   
> -#ifndef pte_next_pfn
>   #ifndef pte_advance_pfn
>   static inline pte_t pte_advance_pfn(pte_t pte, unsigned long nr)
>   {
> @@ -221,7 +220,6 @@ static inline pte_t pte_advance_pfn(pte_t pte, unsigned long nr)
>   #endif
>   
>   #define pte_next_pfn(pte) pte_advance_pfn(pte, 1)
> -#endif
>   
>   #ifndef set_ptes
>   /**

Acked-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb


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