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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 11:31:06 -0800
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 12:31:50 -0800
commit346309cff6127a38731cf102de3413a562700b84 (patch)
tree47e2c646b21d3637640b4d93b4ae6485aa4f9fa2 /arch
parent97e2817d3423d753fd2f80ea936a370032846382 (diff)
x86: unify pte_index
Impact: cleanup Unify and demacro pte_index. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/pgtable.h11
-rw-r--r--arch/x86/include/asm/pgtable_32.h8
-rw-r--r--arch/x86/include/asm/pgtable_64.h1
3 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 49b5cff78c28..10a8c2e51789 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -498,6 +498,17 @@ static inline unsigned pmd_index(unsigned long address)
*/
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
+/*
+ * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE]
+ *
+ * this function returns the index of the entry in the pte page which would
+ * control the given virtual address
+ */
+static inline unsigned pte_index(unsigned long address)
+{
+ return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 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 6335be843c16..00d298e14a8f 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -97,14 +97,6 @@ extern unsigned long pg0[];
static inline int pud_large(pud_t pud) { return 0; }
-/*
- * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE]
- *
- * this macro returns the index of the entry in the pte page which would
- * control the given virtual address
- */
-#define pte_index(address) \
- (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_kernel(dir, address) \
((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address)))
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index adce05628a01..e7321bc8aa81 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -198,7 +198,6 @@ static inline int pud_large(pud_t pte)
/* PTE - Level 1 access. */
-#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \
pte_index((address)))