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Subject[PATCH 07 of 36] x86: unify pgd_present
Date
From
Impact: cleanup

Unify and demacro pgd_present.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---
arch/x86/include/asm/pgtable.h | 7 +++++++
arch/x86/include/asm/pgtable_64.h | 1 -
2 files changed, 7 insertions(+), 1 deletion(-)

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
@@ -490,6 +490,13 @@
}
#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
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
@@ -181,7 +181,6 @@
#define pgd_page_vaddr(pgd) \
((unsigned long)__va((unsigned long)pgd_val((pgd)) & PTE_PFN_MASK))
#define pgd_page(pgd) (pfn_to_page(pgd_val((pgd)) >> PAGE_SHIFT))
-#define pgd_present(pgd) (pgd_val(pgd) & _PAGE_PRESENT)
static inline int pgd_large(pgd_t pgd) { return 0; }
#define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE)




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