#define current_cpu() (raw_smp_processor_id())
#define current_pid() (current->pid)
-#define current_fsuid(cred) (current->fsuid)
-#define current_fsgid(cred) (current->fsgid)
#define current_test_flags(f) (current->flags & (f))
#define current_set_flags_nested(sp, f) \
(*(sp) = current->flags, current->flags |= (f))