diff --git a/Kbuild b/Kbuild
index 0053042..47c9fe1 100644
--- a/Kbuild
+++ b/Kbuild
@@ -6,7 +6,8 @@
 # 2) Generate timeconst.h
 # 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
 # 4) Check for missing system calls
-# 5) Generate constants.py (may need bounds.h)
+# 5) check atomics headers are up-to-date
+# 6) Generate constants.py (may need bounds.h)
 
 #####
 # 1) Generate bounds.h
@@ -72,7 +73,20 @@
 	$(call cmd,syscalls)
 
 #####
-# 5) Generate constants for Python GDB integration
+# 5) Check atomic headers are up-to-date
+#
+
+always += old-atomics
+targets += old-atomics
+
+quiet_cmd_atomics = CALL    $<
+      cmd_atomics = $(CONFIG_SHELL) scripts/atomic/check-atomics.sh
+
+old-atomics: scripts/atomic/check-atomics.sh FORCE
+	$(call cmd,atomics)
+
+#####
+# 6) Generate constants for Python GDB integration
 #
 
 extra-$(CONFIG_GDB_SCRIPTS) += build_constants_py