x86: unify pte_offset_kernel
Impact: cleanup
Unify and demacro pte_offset_kernel.
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 10a8c2e..c61b37a 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -509,6 +509,11 @@
return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
}
+static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
+{
+ return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
+}
+
#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 00d298e..133fc4e 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -97,9 +97,6 @@
static inline int pud_large(pud_t pud) { return 0; }
-#define pte_offset_kernel(dir, address) \
- ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address)))
-
#if defined(CONFIG_HIGHPTE)
#define pte_offset_map(dir, address) \
((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index e7321bc..a8bfb75 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -198,9 +198,6 @@
/* PTE - Level 1 access. */
-#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \
- pte_index((address)))
-
/* x86-64 always has all page tables mapped. */
#define pte_offset_map(dir, address) pte_offset_kernel((dir), (address))
#define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address))