diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index 1a14f99..614d7a6 100644
--- a/fs/logfs/segment.c
+++ b/fs/logfs/segment.c
@@ -10,6 +10,7 @@
  * three kinds of objects: inodes, dentries and blocks, both data and indirect.
  */
 #include "logfs.h"
+#include <linux/slab.h>
 
 static int logfs_mark_segment_bad(struct super_block *sb, u32 segno)
 {