snd_pcm_lib_get_vmalloc_page(9) centos man page | unix.com

SND_PCM_LIB_GET_VMAL(9) 					      PCM API						   SND_PCM_LIB_GET_VMAL(9)

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.

RETURN
       The page struct, or NULL on failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SND_PCM_LIB_GET_VMAL(9)