'\" t
.\"     Title: snd_pcm_lib_get_vmalloc_page
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: April 2019
.\"    Manual: PCM API
.\"    Source: Kernel Hackers Manual 4.9.168
.\"  Language: English
.\"
.TH "SND_PCM_LIB_GET_VMAL" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "PCM API"
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.SH "NAME"
snd_pcm_lib_get_vmalloc_page \- map vmalloc buffer offset to page struct
.SH "SYNOPSIS"
.HP \w'struct\ page\ *\ snd_pcm_lib_get_vmalloc_page('u
.BI "struct page * snd_pcm_lib_get_vmalloc_page(struct\ snd_pcm_substream\ *\ " "substream" ", unsigned\ long\ " "offset" ");"
.SH "ARGUMENTS"
.PP
\fIsubstream\fR
.RS 4
the substream with a buffer allocated by
\fBsnd_pcm_lib_alloc_vmalloc_buffer\fR
.RE
.PP
\fIoffset\fR
.RS 4
offset in the buffer
.RE
.SH "DESCRIPTION"
.PP
This function is to be used as the page callback in the PCM ops\&.
.SH "RETURN"
.PP
The page struct, or
\fBNULL\fR
on failure\&.
.SH "COPYRIGHT"
.br