GENERIC_PIPE_BUF_UNM(9) pipes API GENERIC_PIPE_BUF_UNM(9)NAMEgeneric_pipe_buf_unmap - unmap a previously mapped pipe buffer
SYNOPSIS
void generic_pipe_buf_unmap(struct pipe_inode_info * pipe,
struct pipe_buffer * buf, void * map_data);
ARGUMENTS
pipe
the pipe that the buffer belongs to
buf
the buffer that should be unmapped
map_data
the data that the mapping function returned
DESCRIPTION
This function undoes the mapping that ->map provided.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 GENERIC_PIPE_BUF_UNM(9)