From 9f38d7e85e914f10a875f65d283432d55a12fc27 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Thu, 5 Feb 2009 11:30:49 -0800
Subject: x86: unify pgd_present

Impact: cleanup

Unify and demacro pgd_present.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---
 arch/x86/include/asm/pgtable.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'arch/x86/include/asm/pgtable.h')

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index c117b28df15..339e49a9bb6 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -452,6 +452,13 @@ static inline int pud_present(pud_t pud)
 }
 #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
-- 
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