auto import from //depot/cupcake/@135843
diff --git a/libc/kernel/common/linux/percpu_counter.h b/libc/kernel/common/linux/percpu_counter.h
new file mode 100644
index 0000000..112375c
--- /dev/null
+++ b/libc/kernel/common/linux/percpu_counter.h
@@ -0,0 +1,25 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** 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 _LINUX_PERCPU_COUNTER_H
+#define _LINUX_PERCPU_COUNTER_H
+
+#include <linux/spinlock.h>
+#include <linux/smp.h>
+#include <linux/threads.h>
+#include <linux/percpu.h>
+#include <linux/types.h>
+
+struct percpu_counter {
+ s64 count;
+};
+
+#endif