Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

[pandora-kernel.git] / include / asm-arm / pgtable.h

diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index e85c08d..ed8cb59 100644 (file)
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -11,9 +11,15 @@
 #define _ASMARM_PGTABLE_H
 
 #include <asm-generic/4level-fixup.h>
+#include <asm/proc-fns.h>
+
+#ifndef CONFIG_MMU
+
+#include "pgtable-nommu.h"
+
+#else
 
 #include <asm/memory.h>
-#include <asm/proc-fns.h>
 #include <asm/arch/vmalloc.h>
 
 /*
@@ -129,6 +135,13 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 #define FIRST_USER_PGD_NR      1
 #define USER_PTRS_PER_PGD      ((TASK_SIZE/PGDIR_SIZE) - FIRST_USER_PGD_NR)
 
+/*
+ * section address mask and size definitions.
+ */
+#define SECTION_SHIFT          20
+#define SECTION_SIZE           (1UL << SECTION_SHIFT)
+#define SECTION_MASK           (~(SECTION_SIZE-1))
+
 /*
  * ARMv6 supersection address mask and size definitions.
  */
@@ -218,9 +231,9 @@ extern struct page *empty_zero_page;
 #define pte_none(pte)          (!pte_val(pte))
 #define pte_clear(mm,addr,ptep)        set_pte_at((mm),(addr),(ptep), __pte(0))
 #define pte_page(pte)          (pfn_to_page(pte_pfn(pte)))
-#define pte_offset_kernel(dir,addr)    (pmd_page_kernel(*(dir)) + __pte_index(addr))
-#define pte_offset_map(dir,addr)       (pmd_page_kernel(*(dir)) + __pte_index(addr))
-#define pte_offset_map_nested(dir,addr)        (pmd_page_kernel(*(dir)) + __pte_index(addr))
+#define pte_offset_kernel(dir,addr)    (pmd_page_vaddr(*(dir)) + __pte_index(addr))
+#define pte_offset_map(dir,addr)       (pmd_page_vaddr(*(dir)) + __pte_index(addr))
+#define pte_offset_map_nested(dir,addr)        (pmd_page_vaddr(*(dir)) + __pte_index(addr))
 #define pte_unmap(pte)         do { } while (0)
 #define pte_unmap_nested(pte)  do { } while (0)
 
@@ -285,7 +298,7 @@ PTE_BIT_FUNC(mkyoung,   |= L_PTE_YOUNG);
                clean_pmd_entry(pmdp);  \
        } while (0)
 
-static inline pte_t *pmd_page_kernel(pmd_t pmd)
+static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 {
        unsigned long ptr;
 
@@ -378,4 +391,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 
 #endif /* !__ASSEMBLY__ */
 
+#endif /* CONFIG_MMU */
+
 #endif /* _ASMARM_PGTABLE_H */