diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 08f4d71..43c1274 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -13,6 +13,7 @@
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/mount.h>
 #include <linux/init.h>
 #include <linux/idr.h>