x86: unify pud_present
Impact: cleanup
Unify and demacro pud_present.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index 51832fa..524bd91 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -28,11 +28,6 @@
return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
}
-static inline int pud_present(pud_t pud)
-{
- return pud_val(pud) & _PAGE_PRESENT;
-}
-
/* 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
index 17fcc17..c117b28 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -445,6 +445,13 @@
return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
}
+#if PAGETABLE_LEVELS > 2
+static inline int pud_present(pud_t pud)
+{
+ return pud_val(pud) & _PAGE_PRESENT;
+}
+#endif /* PAGETABLE_LEVELS > 2 */
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 35b8dbc..acdc27b 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -194,7 +194,6 @@
#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
#define pud_offset(pgd, address) \
((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address)))
-#define pud_present(pud) (pud_val((pud)) & _PAGE_PRESENT)
static inline int pud_large(pud_t pte)
{