linux-master/fs/pipe.c

771 bool too_many_pipe_buffers_soft(unsigned long user_bufs)
775 	return soft_limit && user_bufs > soft_limit;
778 bool too_many_pipe_buffers_hard(unsigned long user_bufs)
782 	return hard_limit && user_bufs > hard_limit;
795 	unsigned long user_bufs;
805 	user_bufs = account_pipe_buffers(user, 0, pipe_bufs);
807 	if (too_many_pipe_buffers_soft(user_bufs) && pipe_is_unprivileged_user()) {
808 		user_bufs = account_pipe_buffers(user, pipe_bufs, PIPE_MIN_DEF_BUFFERS);
812 	if (too_many_pipe_buffers_hard(user_bufs) && pipe_is_unprivileged_user())
1336 	unsigned long user_bufs;
1360 	user_bufs = account_pipe_buffers(pipe->user, pipe->nr_accounted, nr_slots);
1363 			(too_many_pipe_buffers_hard(user_bufs) ||
1364 			 too_many_pipe_buffers_soft(user_bufs)) &&