163 	if (substream->runtime) {  in snd_pcm_lib_preallocate_proc_write()
330 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_malloc_pages()  local
338 	runtime = substream->runtime;  in snd_pcm_lib_malloc_pages()
340 	if (runtime->dma_buffer_p) {  in snd_pcm_lib_malloc_pages()
344 		if (runtime->dma_buffer_p->bytes >= size) {  in snd_pcm_lib_malloc_pages()
345 			runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
366 	runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
381 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_pages()  local
385 	runtime = substream->runtime;  in snd_pcm_lib_free_pages()
386 	if (runtime->dma_area == NULL)  in snd_pcm_lib_free_pages()
388 	if (runtime->dma_buffer_p != &substream->dma_buffer) {  in snd_pcm_lib_free_pages()
390 		snd_dma_free_pages(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
391 		kfree(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
401 	struct snd_pcm_runtime *runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()  local
405 	runtime = substream->runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()
406 	if (runtime->dma_area) {  in _snd_pcm_lib_alloc_vmalloc_buffer()
407 		if (runtime->dma_bytes >= size)  in _snd_pcm_lib_alloc_vmalloc_buffer()
409 		vfree(runtime->dma_area);  in _snd_pcm_lib_alloc_vmalloc_buffer()
411 	runtime->dma_area = __vmalloc(size, gfp_flags, PAGE_KERNEL);  in _snd_pcm_lib_alloc_vmalloc_buffer()
412 	if (!runtime->dma_area)  in _snd_pcm_lib_alloc_vmalloc_buffer()
414 	runtime->dma_bytes = size;  in _snd_pcm_lib_alloc_vmalloc_buffer()
428 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_vmalloc_buffer()  local
432 	runtime = substream->runtime;  in snd_pcm_lib_free_vmalloc_buffer()
433 	vfree(runtime->dma_area);  in snd_pcm_lib_free_vmalloc_buffer()
434 	runtime->dma_area = NULL;  in snd_pcm_lib_free_vmalloc_buffer()
452 	return vmalloc_to_page(substream->runtime->dma_area + offset);  in snd_pcm_lib_get_vmalloc_page()