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-rw-r--r--include/linux/mm.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0d5f823ce3f..4ed5c7367b9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -237,6 +237,18 @@ struct inode;
#define page_private(page) ((page)->private)
#define set_page_private(page, v) ((page)->private = (v))
+/* It's valid only if the page is free path or free_list */
+static inline void set_freepage_migratetype(struct page *page, int migratetype)
+{
+ set_page_private(page, migratetype);
+}
+
+/* It's valid only if the page is free path or free_list */
+static inline int get_freepage_migratetype(struct page *page)
+{
+ return page_private(page);
+}
+
/*
* FIXME: take this include out, include page-flags.h in
* files which need it (119 of them)