diff --git a/include/linux/fs.h b/include/linux/fs.h
index ede84fa..8146e02 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -879,7 +879,7 @@
 					   there are only # of pages ahead */
 
 	unsigned int ra_pages;		/* Maximum readahead window */
-	int mmap_miss;			/* Cache miss stat for mmap accesses */
+	unsigned int mmap_miss;		/* Cache miss stat for mmap accesses */
 	loff_t prev_pos;		/* Cache last read() position */
 };