[PATCH 32 of 36] x86: unify pgd_none

[Jeremy Fitzhardinge]

Impact: cleanup

Unify and demacro pgd_none.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

---
 arch/x86/include/asm/pgtable.h    |    5 +++++
 arch/x86/include/asm/pgtable_64.h |    2 --
 2 files changed, 5 insertions(+), 2 deletions(-)

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
@@ -637,6 +637,11 @@
 {
 	return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
 }
+
+static inline int pgd_none(pgd_t pgd)
+{
+	return !pgd_val(pgd);
+}
 #endif	/* PAGETABLE_LEVELS > 3 */
 
 #endif	/* __ASSEMBLY__ */
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
@@ -66,8 +66,6 @@
 	printk("%s:%d: bad pgd %p(%016lx).\n",		\
 	       __FILE__, __LINE__, &(e), pgd_val(e))
 
-#define pgd_none(x)	(!pgd_val(x))
-
 struct mm_struct;
 
 void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte);


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