Move page_is_ram() declaration to mm.h

Move page_is_ram() declaration to mm.h, it makes no sense in <linux/ioport.h>.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
LKML-Reference: <20100127030639.GD8132@localhost>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 11ef7952b63aa566666f6a974eddc541203dbcf3..83aa81297ea35c693e15b14b54bf2690d9af9648 100644 (file)
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -188,7 +188,5 @@ extern int
 walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
                void *arg, int (*func)(unsigned long, unsigned long, void *));
 
-extern int page_is_ram(unsigned long pfn);
-
 #endif /* __ASSEMBLY__ */
 #endif /* _LINUX_IOPORT_H */

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 24c395694f4d3fbbc935287018e8dce157215afb..bad433fdbfce5d67f0ca845aad870756d4321d47 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -265,6 +265,8 @@ static inline int get_page_unless_zero(struct page *page)
        return atomic_inc_not_zero(&page->_count);
 }
 
+extern int page_is_ram(unsigned long pfn);
+
 /* Support for virtually mapped pages */
 struct page *vmalloc_to_page(const void *addr);
 unsigned long vmalloc_to_pfn(const void *addr);