[tip:x86/mm] Move page_is_ram() declaration to mm.h

[tip-bot for Wu Fengguang]

Commit-ID:  53df8fdc15fb646b0219e43c989c2cdab1ab100c
Gitweb:     http://git.kernel.org/tip/53df8fdc15fb646b0219e43c989c2cdab1ab100c
Author:     Wu Fengguang <fengguang.wu@xxxxxxxxx>
AuthorDate: Wed, 27 Jan 2010 11:06:39 +0800
Committer:  H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Mon, 1 Feb 2010 16:58:17 -0800

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@xxxxxxxxx>
LKML-Reference: <20100127030639.GD8132@localhost>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
 include/linux/ioport.h |    2 --
 include/linux/mm.h     |    2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 11ef795..83aa812 100644
--- 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 24c3956..bad433f 100644
--- 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);
--
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