Merge with Linus' kernel.

1 files changed, 19 insertions, 2 deletions

diff --git a/mm/internal.h b/mm/internal.h
index 6bf134e8fb3..17256bb2f4e 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -9,5 +9,22 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-/* page_alloc.c */
-extern void set_page_refs(struct page *page, int order);
+static inline void set_page_refs(struct page *page, int order)
+{
+#ifdef CONFIG_MMU
+	set_page_count(page, 1);
+#else
+	int i;
+
+	/*
+	 * We need to reference all the pages for this order, otherwise if
+	 * anyone accesses one of the pages with (get/put) it will be freed.
+	 * - eg: access_process_vm()
+	 */
+	for (i = 0; i < (1 << order); i++)
+		set_page_count(page + i, 1);
+#endif /* CONFIG_MMU */
+}
+
+extern void fastcall __init __free_pages_bootmem(struct page *page,
+						unsigned int order);