snd_pcm_lib_get_vmalloc_page (9) - Linux Man Pages

snd_pcm_lib_get_vmalloc_page: map vmalloc buffer offset to page struct

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.

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