diff --git a/libc/kernel/arch-arm/asm/atomic.h b/libc/kernel/arch-arm/asm/atomic.h
new file mode 100644
index 0000000..6f1921a
--- /dev/null
+++ b/libc/kernel/arch-arm/asm/atomic.h
@@ -0,0 +1,21 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_ARM_ATOMIC_H
+#define __ASM_ARM_ATOMIC_H
+
+#include <linux/compiler.h>
+
+typedef struct { volatile int counter; } atomic_t;
+
+#define ATOMIC_INIT(i) { (i) }
+
+#endif