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-rw-r--r--arch/x86/include/asm/pgtable.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index cca4321e076..4638b4af675 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -462,6 +462,11 @@ static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;
}
+
+static inline unsigned long pud_page_vaddr(pud_t pud)
+{
+ return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK);
+}
#endif /* PAGETABLE_LEVELS > 2 */
#if PAGETABLE_LEVELS > 3