diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c index ea0d9c36e177..b64b734a5030 100644 --- a/arch/powerpc/kernel/stacktrace.c +++ b/arch/powerpc/kernel/stacktrace.c @@ -8,6 +8,7 @@ * Copyright 2018 Nick Piggin, Michael Ellerman, IBM Corp. */ +#include <linux/delay.h> #include <linux/export.h> #include <linux/kallsyms.h> #include <linux/module.h>