Merge branch 'generic-ipi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-omap-h63xx.git] / include / asm-sh / pgtable_32.h

diff --git a/include/asm-sh/pgtable_32.h b/include/asm-sh/pgtable_32.h
index 7efc95404c645eea31a74cb683aa650f0bd3a623..cbc731d35c25a1a96f8cef4bef6daa7f2563ccdb 100644 (file)
--- a/include/asm-sh/pgtable_32.h
+++ b/include/asm-sh/pgtable_32.h
@@ -22,8 +22,9 @@
  * - Bits 10 and 11 are low bits of the PPN that are reserved on >= 4K pages.
  *   Bit 10 is used for _PAGE_ACCESSED, bit 11 remains unused.
  *
- * - Bits 31, 30, and 29 remain unused by everyone and can be used for future
- *   software flags, although care must be taken to update _PAGE_CLEAR_FLAGS.
+ * - On 29 bit platforms, bits 31 to 29 are used for the space attributes
+ *   and timing control which (together with bit 0) are moved into the
+ *   old-style PTEA on the parts that support it.
  *
  * XXX: Leave the _PAGE_FILE and _PAGE_WT overhaul for a rainy day.
  *
@@ -325,6 +326,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
 #define pte_dirty(pte)         ((pte).pte_low & _PAGE_DIRTY)
 #define pte_young(pte)         ((pte).pte_low & _PAGE_ACCESSED)
 #define pte_file(pte)          ((pte).pte_low & _PAGE_FILE)
+#define pte_special(pte)       (0)
 
 #ifdef CONFIG_X2TLB
 #define pte_write(pte)         ((pte).pte_high & _PAGE_EXT_USER_WRITE)
@@ -355,6 +357,8 @@ PTE_BIT_FUNC(low, mkdirty, |= _PAGE_DIRTY);
 PTE_BIT_FUNC(low, mkold, &= ~_PAGE_ACCESSED);
 PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
 
+static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
+
 /*
  * Macro and implementation to make a page protection as uncachable.
  */