snd_pcm_lib_alloc_vmalloc_32_buffer(9) centos man page | unix.com

SND_PCM_LIB_ALLOC_VM(9) 					   Sound Devices					   SND_PCM_LIB_ALLOC_VM(9)

NAME
       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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SND_PCM_LIB_ALLOC_VM(9)