/* Description: This function grabs an extra reference to @buf. It's used in in the tee() system call, when we duplicate the buffers in one pipe into another.  */
void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
/* Description: This function grabs an extra reference to @buf. It's used in in the tee() system call, when we duplicate the buffers in one pipe into another.  */
void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
{
	page_cache_get(buf->page);
}