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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-28 18:39:02 +0300
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-11-28 18:39:02 +0300
commit7ef4de17cc55a3c3b8d093743b1e3b845d8eba47 (patch)
treeadf87c996affbb6c42850d55cb34c0e5a2f6d340 /arch/arm/include/asm/page.h
parentf412b09f4ed7c57f5b8935ed7d6fc786f402a629 (diff)
parentb5ee9002583fc14e6d45a04c18f208987a8fbced (diff)
downloadlinux-7ef4de17cc55a3c3b8d093743b1e3b845d8eba47.tar.xz
Merge branch 'highmem' into devel
Conflicts: arch/arm/mach-clps7500/include/mach/memory.h
Diffstat (limited to 'arch/arm/include/asm/page.h')
-rw-r--r--arch/arm/include/asm/page.h30
1 files changed, 18 insertions, 12 deletions
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 5fee45e23038..f341c9dbd662 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -108,30 +108,36 @@
#error Unknown user operations model
#endif
+struct page;
+
struct cpu_user_fns {
- void (*cpu_clear_user_page)(void *p, unsigned long user);
- void (*cpu_copy_user_page)(void *to, const void *from,
- unsigned long user);
+ void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr);
+ void (*cpu_copy_user_highpage)(struct page *to, struct page *from,
+ unsigned long vaddr);
};
#ifdef MULTI_USER
extern struct cpu_user_fns cpu_user;
-#define __cpu_clear_user_page cpu_user.cpu_clear_user_page
-#define __cpu_copy_user_page cpu_user.cpu_copy_user_page
+#define __cpu_clear_user_highpage cpu_user.cpu_clear_user_highpage
+#define __cpu_copy_user_highpage cpu_user.cpu_copy_user_highpage
#else
-#define __cpu_clear_user_page __glue(_USER,_clear_user_page)
-#define __cpu_copy_user_page __glue(_USER,_copy_user_page)
+#define __cpu_clear_user_highpage __glue(_USER,_clear_user_highpage)
+#define __cpu_copy_user_highpage __glue(_USER,_copy_user_highpage)
-extern void __cpu_clear_user_page(void *p, unsigned long user);
-extern void __cpu_copy_user_page(void *to, const void *from,
- unsigned long user);
+extern void __cpu_clear_user_highpage(struct page *page, unsigned long vaddr);
+extern void __cpu_copy_user_highpage(struct page *to, struct page *from,
+ unsigned long vaddr);
#endif
-#define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr)
-#define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr)
+#define clear_user_highpage(page,vaddr) \
+ __cpu_clear_user_highpage(page, vaddr)
+
+#define __HAVE_ARCH_COPY_USER_HIGHPAGE
+#define copy_user_highpage(to,from,vaddr,vma) \
+ __cpu_copy_user_highpage(to, from, vaddr)
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, const void *from);