Re: [PATCH v6 04/18] arm64/mm: Convert pte_next_pfn() to pte_advance_pfn()

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To: Ryan Roberts <ryan.roberts@xxxxxxx>
Subject: Re: [PATCH v6 04/18] arm64/mm: Convert pte_next_pfn() to pte_advance_pfn()
From: Catalin Marinas <catalin.marinas@xxxxxxx>
Date: Thu, 15 Feb 2024 18:27:54 +0000
Cc: Will Deacon <will@xxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Marc Zyngier <maz@xxxxxxxxxx>, James Morse <james.morse@xxxxxxx>, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Zi Yan <ziy@xxxxxxxxxx>, Barry Song <21cnbao@xxxxxxxxx>, Alistair Popple <apopple@xxxxxxxxxx>, Yang Shi <shy828301@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20240215103205.2607016-5-ryan.roberts@arm.com>
References: <20240215103205.2607016-1-ryan.roberts@arm.com> <20240215103205.2607016-5-ryan.roberts@arm.com>

On Thu, Feb 15, 2024 at 10:31:51AM +0000, Ryan Roberts wrote:
> Core-mm needs to be able to advance the pfn by an arbitrary amount, so
> override the new pte_advance_pfn() API to do so.
> 
> Signed-off-by: Ryan Roberts <ryan.roberts@xxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>

References:
- [PATCH v6 00/18] Transparent Contiguous PTEs for User Mappings
  - From: Ryan Roberts
- [PATCH v6 04/18] arm64/mm: Convert pte_next_pfn() to pte_advance_pfn()
  - From: Ryan Roberts

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