other versions
- stretch 4.9.168-1
| SND_PCM_LIB_ALLOC_VM(9) | PCM API | SND_PCM_LIB_ALLOC_VM(9) |
NAME¶
snd_pcm_lib_alloc_vmalloc_32_buffer - allocate 32-bit-addressable bufferSYNOPSIS¶
int snd_pcm_lib_alloc_vmalloc_32_buffer(struct snd_pcm_substream * substream, size_t size);
ARGUMENTS¶
substreamthe 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¶
| April 2019 | Kernel Hackers Manual 4.9. |