diff --git a/[refs] b/[refs]
index fd71143bde17..2f4a38d58cd4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 021a52ac70802a94e699badb52af9d0fa728d5cd
+refs/heads/master: 243393c90f2b7cb781fd794e22786e9c8547901a
diff --git a/trunk/include/linux/zlib.h b/trunk/include/linux/zlib.h
index 850076ea14d3..74f7b78c22d2 100644
--- a/trunk/include/linux/zlib.h
+++ b/trunk/include/linux/zlib.h
@@ -506,6 +506,11 @@ extern int zlib_deflateReset (z_streamp strm);
    stream state was inconsistent (such as zalloc or state being NULL).
 */
 
+static inline unsigned long deflateBound(unsigned long s)
+{
+	return s + ((s + 7) >> 3) + ((s + 63) >> 6) + 11;
+}
+
 extern int zlib_deflateParams (z_streamp strm, int level, int strategy);
 /*
      Dynamically update the compression level and compression strategy.  The