'\" t
.\"     Title: relay_mmap_buf
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: relay interface support
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "RELAY_MMAP_BUF" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "relay interface support"
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.SH "NAME"
relay_mmap_buf \- mmap channel buffer to process address space
.SH "SYNOPSIS"
.HP \w'int\ relay_mmap_buf('u
.BI "int relay_mmap_buf(struct\ rchan_buf\ *\ " "buf" ", struct\ vm_area_struct\ *\ " "vma" ");"
.SH "ARGUMENTS"
.PP
\fIbuf\fR
.RS 4
relay channel buffer
.RE
.PP
\fIvma\fR
.RS 4
vm_area_struct describing memory to be mapped
.RE
.SH "DESCRIPTION"
.PP
Returns 0 if ok, negative on error
.PP
Caller should already have grabbed mmap_sem\&.
.SH "COPYRIGHT"
.br