x86: unify pmd_index

Impact: cleanup

Unify and demacro pmd_index.

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

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 38330d6288fc9f9ce66c9fa438c8c0e6e93b2135..4ec24b6d0994a8f73c6a8c930796e8fd95e5ee74 100644 (file)
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -478,6 +478,17 @@ static inline struct page *pmd_page(pmd_t pmd)
        return pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT);
 }
 
+/*
+ * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
+ *
+ * this macro returns the index of the entry in the pmd page which would
+ * control the given virtual address
+ */
+static inline unsigned pmd_index(unsigned long address)
+{
+       return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1);
+}
+
 #if PAGETABLE_LEVELS > 2
 static inline int pud_present(pud_t pud)
 {

diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 8714110b4a78e6605918742492cfe8d9ee11945d..40b066215bb8a8911401ad576440aac68fd4dd91 100644 (file)
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -104,15 +104,6 @@ extern unsigned long pg0[];
 
 static inline int pud_large(pud_t pud) { return 0; }
 
-/*
- * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
- *
- * this macro returns the index of the entry in the pmd page which would
- * control the given virtual address
- */
-#define pmd_index(address)                             \
-       (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))
-
 /*
  * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE]
  *

diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 97f24d2d60d1849373ef8eb88c9285a174494d03..15f42d6ee2fdca1339d4c78cc00508cf625b8d20 100644 (file)
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -191,7 +191,6 @@ static inline int pud_large(pud_t pte)
 }
 
 /* PMD  - Level 2 access */
-#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))
 #define pmd_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \
                                  pmd_index(address))
 #define pfn_pmd(nr, prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val((prot))))