1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index 86f6b18410ee..e437ee2215c5 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -105,7 +105,7 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp,
         return ret;
 }
 
-void arch_switch_to(struct task_struct *from, struct task_struct *to)
+void arch_switch_to(struct task_struct *to)
 {
         if ((to->thread.arch.fs == 0) || (to->mm == NULL))
                 return;