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From: Ryan Roberts <ryan.roberts@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Ard Biesheuvel <ardb@kernel.org>,
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Cc: Ryan Roberts <ryan.roberts@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	x86@kernel.org,
	linuxppc-dev@lists.ozlabs.org,
	linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v6 04/18] arm64/mm: Convert pte_next_pfn() to pte_advance_pfn()
Date: Thu, 15 Feb 2024 10:31:51 +0000
Message-Id: <20240215103205.2607016-5-ryan.roberts@arm.com>
In-Reply-To: <20240215103205.2607016-1-ryan.roberts@arm.com>
References: <20240215103205.2607016-1-ryan.roberts@arm.com>
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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@arm.com>
---
 arch/arm64/include/asm/pgtable.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 52d0b0a763f1..b6d3e9e0a946 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -351,10 +351,10 @@ static inline pgprot_t pte_pgprot(pte_t pte)
 	return __pgprot(pte_val(pfn_pte(pfn, __pgprot(0))) ^ pte_val(pte));
 }
 
-#define pte_next_pfn pte_next_pfn
-static inline pte_t pte_next_pfn(pte_t pte)
+#define pte_advance_pfn pte_advance_pfn
+static inline pte_t pte_advance_pfn(pte_t pte, unsigned long nr)
 {
-	return pfn_pte(pte_pfn(pte) + 1, pte_pgprot(pte));
+	return pfn_pte(pte_pfn(pte) + nr, pte_pgprot(pte));
 }
 
 static inline void set_ptes(struct mm_struct *mm,
@@ -370,7 +370,7 @@ static inline void set_ptes(struct mm_struct *mm,
 		if (--nr == 0)
 			break;
 		ptep++;
-		pte = pte_next_pfn(pte);
+		pte = pte_advance_pfn(pte, 1);
 	}
 }
 #define set_ptes set_ptes
-- 
2.25.1