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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¶
January 2017 | Kernel Hackers Manual 4.8. |