164 	if (substream->runtime) {  in snd_pcm_lib_preallocate_proc_write()
334 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_malloc_pages()  local
342 	runtime = substream->runtime;  in snd_pcm_lib_malloc_pages()
344 	if (runtime->dma_buffer_p) {  in snd_pcm_lib_malloc_pages()
348 		if (runtime->dma_buffer_p->bytes >= size) {  in snd_pcm_lib_malloc_pages()
349 			runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
370 	runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
386 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_pages()  local
390 	runtime = substream->runtime;  in snd_pcm_lib_free_pages()
391 	if (runtime->dma_area == NULL)  in snd_pcm_lib_free_pages()
393 	if (runtime->dma_buffer_p != &substream->dma_buffer) {  in snd_pcm_lib_free_pages()
395 		snd_dma_free_pages(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
396 		kfree(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
407 	struct snd_pcm_runtime *runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()  local
411 	runtime = substream->runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()
412 	if (runtime->dma_area) {  in _snd_pcm_lib_alloc_vmalloc_buffer()
413 		if (runtime->dma_bytes >= size)  in _snd_pcm_lib_alloc_vmalloc_buffer()
415 		vfree(runtime->dma_area);  in _snd_pcm_lib_alloc_vmalloc_buffer()
417 	runtime->dma_area = __vmalloc(size, gfp_flags, PAGE_KERNEL);  in _snd_pcm_lib_alloc_vmalloc_buffer()
418 	if (!runtime->dma_area)  in _snd_pcm_lib_alloc_vmalloc_buffer()
420 	runtime->dma_bytes = size;  in _snd_pcm_lib_alloc_vmalloc_buffer()
434 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_vmalloc_buffer()  local
438 	runtime = substream->runtime;  in snd_pcm_lib_free_vmalloc_buffer()
439 	vfree(runtime->dma_area);  in snd_pcm_lib_free_vmalloc_buffer()
440 	runtime->dma_area = NULL;  in snd_pcm_lib_free_vmalloc_buffer()
458 	return vmalloc_to_page(substream->runtime->dma_area + offset);  in snd_pcm_lib_get_vmalloc_page()