mm: don't inline page_mapping()

[mirror_ubuntu-zesty-kernel.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 473abbda942e0a1db072a3300db46211e12322fe..1d4122bf6f275de8677e721c3a5b2f84108a32ae 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -809,18 +809,7 @@ void page_address_init(void);
 #define PAGE_MAPPING_KSM       2
 #define PAGE_MAPPING_FLAGS     (PAGE_MAPPING_ANON | PAGE_MAPPING_KSM)
 
-extern struct address_space swapper_space;
-static inline struct address_space *page_mapping(struct page *page)
-{
-       struct address_space *mapping = page->mapping;
-
-       VM_BUG_ON(PageSlab(page));
-       if (unlikely(PageSwapCache(page)))
-               mapping = &swapper_space;
-       else if ((unsigned long)mapping & PAGE_MAPPING_ANON)
-               mapping = NULL;
-       return mapping;
-}
+extern struct address_space *page_mapping(struct page *page);
 
 /* Neutral page->mapping pointer to address_space or anon_vma or other */
 static inline void *page_rmapping(struct page *page)