Merge tag 'x86-mm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

[linux-2.6-microblaze.git] / arch / x86 / include / asm / pgtable.h

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 1e12e61..57bab91 100644 (file)
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -955,6 +955,14 @@ 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)
+{
+       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));
+}
+#define pte_next_pfn   pte_next_pfn
+
 static inline int pte_present(pte_t a)
 {
        return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);