snd_pcm_lib_get_vmalloc

snd_pcm_lib_get_vmalloc_page
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snd_pcm_lib_get_vmalloc_page — map vmalloc buffer offset to page struct

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

substream: the substream with a buffer allocated by snd_pcm_lib_alloc_vmalloc_buffer
offset: offset in the buffer

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

The page struct, or NULL on failure.

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