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.