diff mbox series

[v6,05/18] x86/mm: Convert pte_next_pfn() to pte_advance_pfn()

Message ID 20240215103205.2607016-6-ryan.roberts@arm.com
State New
Headers
Series Transparent Contiguous PTEs for User Mappings |

Commit Message

Ryan Roberts Feb. 15, 2024, 10:31 a.m. UTC 
  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/x86/include/asm/pgtable.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index b50b2ef63672..69ed0ea0641b 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -955,13 +955,13 @@  static inline int pte_same(pte_t a, pte_t b)
 	return a.pte == b.pte;
 }
 
-static inline pte_t pte_next_pfn(pte_t pte)
+static inline pte_t pte_advance_pfn(pte_t pte, unsigned long nr)
 {
 	if (__pte_needs_invert(pte_val(pte)))
-		return __pte(pte_val(pte) - (1UL << PFN_PTE_SHIFT));
-	return __pte(pte_val(pte) + (1UL << PFN_PTE_SHIFT));
+		return __pte(pte_val(pte) - (nr << PFN_PTE_SHIFT));
+	return __pte(pte_val(pte) + (nr << PFN_PTE_SHIFT));
 }
-#define pte_next_pfn	pte_next_pfn
+#define pte_advance_pfn	pte_advance_pfn
 
 static inline int pte_present(pte_t a)
 {