snd_pcm_lib_alloc_vmalloc_32_buffer (9) Linux Manual Page
snd_pcm_lib_alloc_vmalloc_32_buffer – allocate 32-bit-addressable buffer
Synopsis
int snd_pcm_lib_alloc_vmalloc_32_buffer(struct snd_pcm_substream *substream, size_t size);Arguments
substream
-
- the substream to allocate the buffer to
size
- the requested buffer size, in bytes
Description
This function works like snd_pcm_lib_alloc_vmalloc_buffer, but uses vmalloc_32, i.e., the pages are allocated from 32-bit-addressable memory.
Return
1 if the buffer was changed, 0 if not changed, or a negative error code.