961 	struct mm_struct *old_mm, *active_mm;  in exec_mmap()  local
966 	old_mm = current->mm;  in exec_mmap()
967 	exec_mm_release(tsk, old_mm);  in exec_mmap()
973 	if (old_mm) {  in exec_mmap()
979 		ret = mmap_read_lock_killable(old_mm);  in exec_mmap()
1009 	if (old_mm) {  in exec_mmap()
1010 		mmap_read_unlock(old_mm);  in exec_mmap()
1011 		BUG_ON(active_mm != old_mm);  in exec_mmap()
1012 		setmax_mm_hiwater_rss(&tsk->signal->maxrss, old_mm);  in exec_mmap()
1013 		mm_update_next_owner(old_mm);  in exec_mmap()
1014 		mmput(old_mm);  in exec_mmap()