'\" t
.\"     Title: kfifo_alloc
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: FIFO Buffer
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "KFIFO_ALLOC" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "FIFO Buffer"
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.SH "NAME"
kfifo_alloc \- dynamically allocates a new fifo buffer
.SH "SYNOPSIS"
.HP \w'kfifo_alloc('u
.BI "kfifo_alloc(" "fifo" ", " "size" ", " "gfp_mask" ");"
.SH "ARGUMENTS"
.PP
\fIfifo\fR
.RS 4
pointer to the fifo
.RE
.PP
\fIsize\fR
.RS 4
the number of elements in the fifo, this must be a power of 2
.RE
.PP
\fIgfp_mask\fR
.RS 4
get_free_pages mask, passed to
\fBkmalloc\fR
.RE
.SH "DESCRIPTION"
.PP
This macro dynamically allocates a new fifo buffer\&.
.PP
The numer of elements will be rounded\-up to a power of 2\&. The fifo will be release with
\fBkfifo_free\fR\&. Return 0 if no error, otherwise an error code\&.
.SH "COPYRIGHT"
.br