x64/page.h: convert some macros to inlines
Convert clear_page/copy_page macros to inline functions for type-checking.
Andrew wants to extirpate these ugly macros. (Ingo too. Thomas as well.
Please send us more "kill ugly macros" patches! :-)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index 80ecc66..c620c93 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -12,12 +12,21 @@
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
+#include <linux/string.h>
+
#ifdef CONFIG_X86_USE_3DNOW
#include <asm/mmx.h>
-#define clear_page(page) mmx_clear_page((void *)(page))
-#define copy_page(to,from) mmx_copy_page(to,from)
+static inline void clear_page(void *page)
+{
+ mmx_clear_page(page);
+}
+
+static inline void copy_page(void *to, void *from)
+{
+ mmx_copy_page(to, from);
+}
#else
@@ -26,13 +35,31 @@
* Maybe the K6-III ?
*/
-#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
-#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
+static inline void clear_page(void *page)
+{
+ memset(page, 0, PAGE_SIZE);
+}
+
+static inline void copy_page(void *to, void *from)
+{
+ memcpy(to, from, PAGE_SIZE);
+}
#endif
-#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
+struct page;
+
+static void inline clear_user_page(void *page, unsigned long vaddr,
+ struct page *pg)
+{
+ clear_page(page);
+}
+
+static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
+ struct page *topage)
+{
+ copy_page(to, from);
+}
#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index d400167..068b5e4 100644
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -43,11 +43,22 @@
extern unsigned long end_pfn;
extern unsigned long end_pfn_map;
-void clear_page(void *);
-void copy_page(void *, void *);
+void clear_page(void *page);
+void copy_page(void *to, void *from);
-#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
+struct page;
+
+static void inline clear_user_page(void *page, unsigned long vaddr,
+ struct page *pg)
+{
+ clear_page(page);
+}
+
+static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
+ struct page *topage)
+{
+ copy_page(to, from);
+}
#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)