snd_pcm_lib_get_vmalloc_page

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

NAME

snd_pcm_lib_get_vmalloc_page - map vmalloc buffer offset to page struct

SYNOPSIS

struct page * snd_pcm_lib_get_vmalloc_page(struct snd_pcm_substream * substream, unsigned long offset);

ARGUMENTS

substream

the substream with a buffer allocated by snd_pcm_lib_alloc_vmalloc_buffer

offset

offset in the buffer

DESCRIPTION

This function is to be used as the page callback in the PCM ops.