diff --git a/sys/cam/scsi/scsi_all.h b/sys/cam/scsi/scsi_all.h
--- a/sys/cam/scsi/scsi_all.h
+++ b/sys/cam/scsi/scsi_all.h
@@ -24,6 +24,7 @@
 
 #include <sys/cdefs.h>
 #ifdef _KERNEL
+#include <sys/malloc.h>
 #include <machine/stdarg.h>
 #else
 #include <stdarg.h>