* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
+#ifndef __MM_INTERNAL_H
+#define __MM_INTERNAL_H
-/* page_alloc.c */
-extern void set_page_refs(struct page *page, int order);
+#include <linux/mm.h>
+
+static inline void set_page_count(struct page *page, int v)
+{
+ atomic_set(&page->_count, v);
+}
+
+/*
+ * Turn a non-refcounted page (->_count == 0) into refcounted with
+ * a count of one.
+ */
+static inline void set_page_refcounted(struct page *page)
+{
+ BUG_ON(PageCompound(page) && page_private(page) != (unsigned long)page);
+ BUG_ON(atomic_read(&page->_count));
+ set_page_count(page, 1);
+}
+
+static inline void __put_page(struct page *page)
+{
+ atomic_dec(&page->_count);
+}
+
+extern void fastcall __init __free_pages_bootmem(struct page *page,
+ unsigned int order);
+
+#endif