uss_ptr 698 include/linux/compat.h asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, uss_ptr 4085 kernel/signal.c static int do_compat_sigaltstack(const compat_stack_t __user *uss_ptr, uss_ptr 4091 kernel/signal.c if (uss_ptr) { uss_ptr 4093 kernel/signal.c if (copy_from_user(&uss32, uss_ptr, sizeof(compat_stack_t))) uss_ptr 4099 kernel/signal.c ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, uss_ptr 4115 kernel/signal.c const compat_stack_t __user *, uss_ptr, uss_ptr 4118 kernel/signal.c return do_compat_sigaltstack(uss_ptr, uoss_ptr);