On Sun, Jan 30 2022 at 13:18, Rick Edgecombe wrote: > -int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, > - struct task_struct *p, unsigned long tls) > +int copy_thread(unsigned long clone_flags, unsigned long sp, > + unsigned long stack_size, struct task_struct *p, > + unsigned long tls) > { > struct inactive_task_frame *frame; > struct fork_frame *fork_frame; > @@ -175,7 +176,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, > if (unlikely(p->flags & PF_KTHREAD)) { > p->thread.pkru = pkru_get_init_value(); > memset(childregs, 0, sizeof(struct pt_regs)); > - kthread_frame_init(frame, sp, arg); > + kthread_frame_init(frame, sp, stack_size); > return 0; > } > > @@ -208,7 +209,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, > */ > childregs->sp = 0; > childregs->ip = 0; > - kthread_frame_init(frame, sp, arg); > + kthread_frame_init(frame, sp, stack_size); > return 0; > } Can you please change the prototypes too for completeness sake? Thanks, tglx