x86: unify pgd_present
Impact: cleanup
Unify and demacro pgd_present.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index c117b28..339e49a 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -452,6 +452,13 @@
}
#endif /* PAGETABLE_LEVELS > 2 */
+#if PAGETABLE_LEVELS > 3
+static inline int pgd_present(pgd_t pgd)
+{
+ return pgd_val(pgd) & _PAGE_PRESENT;
+}
+#endif /* PAGETABLE_LEVELS > 3 */
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32