mm/page_owner: introduce split_page_owner and replace manual handling

[mirror_ubuntu-artful-kernel.git] / include / linux / page_owner.h

diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
index 46f1b939948c58df206e8c8740ba08bcd5f7f114..30583ab0ffb1f8da50d6a3a5cd8e0277af78a304 100644 (file)
--- a/include/linux/page_owner.h
+++ b/include/linux/page_owner.h
@@ -10,7 +10,7 @@ extern struct page_ext_operations page_owner_ops;
 extern void __reset_page_owner(struct page *page, unsigned int order);
 extern void __set_page_owner(struct page *page,
                        unsigned int order, gfp_t gfp_mask);
-extern gfp_t __get_page_owner_gfp(struct page *page);
+extern void __split_page_owner(struct page *page, unsigned int order);
 extern void __copy_page_owner(struct page *oldpage, struct page *newpage);
 extern void __set_page_owner_migrate_reason(struct page *page, int reason);
 extern void __dump_page_owner(struct page *page);
@@ -28,12 +28,10 @@ static inline void set_page_owner(struct page *page,
                __set_page_owner(page, order, gfp_mask);
 }
 
-static inline gfp_t get_page_owner_gfp(struct page *page)
+static inline void split_page_owner(struct page *page, unsigned int order)
 {
        if (static_branch_unlikely(&page_owner_inited))
-               return __get_page_owner_gfp(page);
-       else
-               return 0;
+               __split_page_owner(page, order);
 }
 static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
 {
@@ -58,9 +56,9 @@ static inline void set_page_owner(struct page *page,
                        unsigned int order, gfp_t gfp_mask)
 {
 }
-static inline gfp_t get_page_owner_gfp(struct page *page)
+static inline void split_page_owner(struct page *page,
+                       unsigned int order)
 {
-       return 0;
 }
 static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
 {