linux-kernel - [PATCH 31 of 36] x86: unify pud

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Date:	Thu, 05 Feb 2009 11:31:13 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	the arch/x86 maintainers <x86@...nel.org>
Subject: [PATCH 31 of 36] x86: unify pud_none

Impact: cleanup

Unify and demacro pud_none.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 arch/x86/include/asm/pgtable-3level.h |    5 -----
 arch/x86/include/asm/pgtable.h        |    5 +++++
 arch/x86/include/asm/pgtable_64.h     |    1 -
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -18,11 +18,6 @@
 	printk("%s:%d: bad pgd %p(%016Lx).\n",				\
 	       __FILE__, __LINE__, &(e), pgd_val(e))
 
-static inline int pud_none(pud_t pud)
-{
-	return pud_val(pud) == 0;
-}
-
 /* Rules for using set_pte: the pte being assigned *must* be
  * either not present or in a state where the hardware will
  * not attempt to update the pte.  In places where this is
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -563,6 +563,11 @@
 }
 
 #if PAGETABLE_LEVELS > 2
+static inline int pud_none(pud_t pud)
+{
+	return pud_val(pud) == 0;
+}
+
 static inline int pud_present(pud_t pud)
 {
 	return pud_val(pud) & _PAGE_PRESENT;
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -67,7 +67,6 @@
 	       __FILE__, __LINE__, &(e), pgd_val(e))
 
 #define pgd_none(x)	(!pgd_val(x))
-#define pud_none(x)	(!pud_val(x))
 
 struct mm_struct;
 


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