Include <linux/cpu.h> to make sure arch_cpu_idle_dead() matches its prototype going forward. Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> --- arch/alpha/kernel/process.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 0eddd22c6212..4813172547b5 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -9,6 +9,7 @@ * This file handles the architecture-dependent parts of process handling. */ +#include <linux/cpu.h> #include <linux/errno.h> #include <linux/module.h> #include <linux/sched.h> -- 2.39.0