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

Ryan Roberts ryan.roberts at arm.com
Thu Feb 15 21:31:51 AEDT 2024


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 at 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



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