diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index 405d3fb..eaee546 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -29,6 +29,7 @@
 #include <linux/kdev_t.h>
 #include <linux/spinlock.h>
 #include <linux/idr.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/platform_device.h>
 #include <linux/math64.h>