free_pipe_info    582 fs/pipe.c      		free_pipe_info(pipe);
free_pipe_info    780 fs/pipe.c      		free_pipe_info(inode->i_pipe);
free_pipe_info    921 fs/pipe.c      			free_pipe_info(pipe);
free_pipe_info    173 include/linux/pipe_fs_i.h void free_pipe_info(struct pipe_inode_info *);
free_pipe_info    838 kernel/exit.c  		free_pipe_info(tsk->splice_pipe);