X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fasm-sh%2Fpgtable.h;h=184d7fcaaf107a068f3c5e8967f60a1fd5aaa934;hb=b75762302e144b73f12b72c59b99401d036680aa;hp=3721a4412cea2ba17ec1d8ed4ba170e7d6a1383d;hpb=26b7a78c55fbc0e23a7dc19e89fd50f200efc002;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 3721a44..184d7fc 100644
--- 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);