sh: SH7780 Solution Engine board support.

[safe/jmp/linux-2.6] / include / asm-sh / pgtable.h

diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 3721a44..184d7fc 100644 (file)
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -43,7 +43,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 /* PGD bits */
 #define PGDIR_SHIFT    (PTE_SHIFT + PTE_BITS)
 #define PGDIR_BITS     (32 - PGDIR_SHIFT)
-#define PGDIR_SIZE     (1 << PGDIR_SHIFT)
+#define PGDIR_SIZE     (1UL << PGDIR_SHIFT)
 #define PGDIR_MASK     (~(PGDIR_SIZE-1))
 
 /* Entries per level */
@@ -583,6 +583,11 @@ struct mm_struct;
 extern unsigned int kobjsize(const void *objp);
 #endif /* !CONFIG_MMU */
 
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
+#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
+extern pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
+#endif
+
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern void paging_init(void);