ARM: LPAE: Move page table maintenance macros to pgtable-2level.h

The page table maintenance macros need to be duplicated between the
classic and the LPAE MMU so this patch moves those that are not common
to the pgtable-2level.h file.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 470457e..2317a71 100644 (file)
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -140,4 +140,45 @@
 #define L_PTE_MT_DEV_CACHED    (_AT(pteval_t, 0x0b) << 2)      /* 1011 */
 #define L_PTE_MT_MASK          (_AT(pteval_t, 0x0f) << 2)
 
+#ifndef __ASSEMBLY__
+
+/*
+ * The "pud_xxx()" functions here are trivial when the pmd is folded into
+ * the pud: the pud entry is never bad, always exists, and can't be set or
+ * cleared.
+ */
+#define pud_none(pud)          (0)
+#define pud_bad(pud)           (0)
+#define pud_present(pud)       (1)
+#define pud_clear(pudp)                do { } while (0)
+#define set_pud(pud,pudp)      do { } while (0)
+
+static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
+{
+       return (pmd_t *)pud;
+}
+
+#define pmd_bad(pmd)           (pmd_val(pmd) & 2)
+
+#define copy_pmd(pmdpd,pmdps)          \
+       do {                            \
+               pmdpd[0] = pmdps[0];    \
+               pmdpd[1] = pmdps[1];    \
+               flush_pmd_entry(pmdpd); \
+       } while (0)
+
+#define pmd_clear(pmdp)                        \
+       do {                            \
+               pmdp[0] = __pmd(0);     \
+               pmdp[1] = __pmd(0);     \
+               clean_pmd_entry(pmdp);  \
+       } while (0)
+
+/* we don't need complex calculations here as the pmd is folded into the pgd */
+#define pmd_addr_end(addr,end) (end)
+
+#define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext)
+
+#endif /* __ASSEMBLY__ */
+
 #endif /* _ASM_PGTABLE_2LEVEL_H */

diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index e14826e..977245b 100644 (file)
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -164,41 +164,8 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 /* to find an entry in a kernel page-table-directory */
 #define pgd_offset_k(addr)     pgd_offset(&init_mm, addr)
 
-/*
- * The "pud_xxx()" functions here are trivial when the pmd is folded into
- * the pud: the pud entry is never bad, always exists, and can't be set or
- * cleared.
- */
-#define pud_none(pud)          (0)
-#define pud_bad(pud)           (0)
-#define pud_present(pud)       (1)
-#define pud_clear(pudp)                do { } while (0)
-#define set_pud(pud,pudp)      do { } while (0)
-
-
-/* Find an entry in the second-level page table.. */
-static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
-{
-       return (pmd_t *)pud;
-}
-
 #define pmd_none(pmd)          (!pmd_val(pmd))
 #define pmd_present(pmd)       (pmd_val(pmd))
-#define pmd_bad(pmd)           (pmd_val(pmd) & 2)
-
-#define copy_pmd(pmdpd,pmdps)          \
-       do {                            \
-               pmdpd[0] = pmdps[0];    \
-               pmdpd[1] = pmdps[1];    \
-               flush_pmd_entry(pmdpd); \
-       } while (0)
-
-#define pmd_clear(pmdp)                        \
-       do {                            \
-               pmdp[0] = __pmd(0);     \
-               pmdp[1] = __pmd(0);     \
-               clean_pmd_entry(pmdp);  \
-       } while (0)
 
 static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 {
@@ -207,10 +174,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 
 #define pmd_page(pmd)          pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK))
 
-/* we don't need complex calculations here as the pmd is folded into the pgd */
-#define pmd_addr_end(addr,end) (end)
-
-
 #ifndef CONFIG_HIGHPTE
 #define __pte_map(pmd)         pmd_page_vaddr(*(pmd))
 #define __pte_unmap(pte)       do { } while (0)
@@ -232,7 +195,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 #define pte_page(pte)          pfn_to_page(pte_pfn(pte))
 #define mk_pte(page,prot)      pfn_pte(page_to_pfn(page), prot)
 
-#define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext)
 #define pte_clear(mm,addr,ptep)        set_pte_ext(ptep, __pte(0), 0)
 
 #if __LINUX_ARM_ARCH__ < 6