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authorWu Fengguang <fengguang.wu@intel.com>2010-01-27 11:06:39 +0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-01 16:58:17 -0800
commit53df8fdc15fb646b0219e43c989c2cdab1ab100c (patch)
treefad5e7e19d5d928c14f15fff912941e300a53aad /include/linux/mm.h
parente52730071567ec5b6f57e21d6693b112e01e1d0e (diff)
downloadlinux-next-53df8fdc15fb646b0219e43c989c2cdab1ab100c.tar.gz
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>
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 24c395694f4d..bad433fdbfce 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);