[PATCH 28 of 36] x86: unify pgd_bad

From: Jeremy Fitzhardinge
Date: Thu Feb 05 2009 - 14:42:27 EST


Impact: cleanup

Unify and demacro pgd_bad.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/include/asm/pgtable-3level.h | 5 -----
arch/x86/include/asm/pgtable.h | 5 +++++
arch/x86/include/asm/pgtable_64.h | 5 -----
3 files changed, 5 insertions(+), 10 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
@@ -23,11 +23,6 @@
return pud_val(pud) == 0;
}

-static inline int pud_bad(pud_t pud)
-{
- return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 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
@@ -584,6 +584,11 @@
return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) ==
(_PAGE_PSE | _PAGE_PRESENT);
}
+
+static inline int pud_bad(pud_t pud)
+{
+ return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
+}
#endif /* PAGETABLE_LEVELS > 2 */

#if PAGETABLE_LEVELS > 3
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
@@ -153,11 +153,6 @@

#ifndef __ASSEMBLY__

-static inline int pud_bad(pud_t pud)
-{
- return (pud_val(pud) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
-}
-
static inline int pmd_bad(pmd_t pmd)
{
return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;


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