167 	if (substream->runtime) {  in snd_pcm_lib_preallocate_proc_write()
381 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_malloc_pages()  local
389 	runtime = substream->runtime;  in snd_pcm_lib_malloc_pages()
392 	if (runtime->dma_buffer_p) {  in snd_pcm_lib_malloc_pages()
396 		if (runtime->dma_buffer_p->bytes >= size) {  in snd_pcm_lib_malloc_pages()
397 			runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
419 	runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
435 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_pages()  local
439 	runtime = substream->runtime;  in snd_pcm_lib_free_pages()
440 	if (runtime->dma_area == NULL)  in snd_pcm_lib_free_pages()
442 	if (runtime->dma_buffer_p != &substream->dma_buffer) {  in snd_pcm_lib_free_pages()
444 		do_free_pages(card, runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
445 		kfree(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
455 	struct snd_pcm_runtime *runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()  local
459 	runtime = substream->runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()
460 	if (runtime->dma_area) {  in _snd_pcm_lib_alloc_vmalloc_buffer()
461 		if (runtime->dma_bytes >= size)  in _snd_pcm_lib_alloc_vmalloc_buffer()
463 		vfree(runtime->dma_area);  in _snd_pcm_lib_alloc_vmalloc_buffer()
465 	runtime->dma_area = __vmalloc(size, gfp_flags);  in _snd_pcm_lib_alloc_vmalloc_buffer()
466 	if (!runtime->dma_area)  in _snd_pcm_lib_alloc_vmalloc_buffer()
468 	runtime->dma_bytes = size;  in _snd_pcm_lib_alloc_vmalloc_buffer()
482 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_vmalloc_buffer()  local
486 	runtime = substream->runtime;  in snd_pcm_lib_free_vmalloc_buffer()
487 	vfree(runtime->dma_area);  in snd_pcm_lib_free_vmalloc_buffer()
488 	runtime->dma_area = NULL;  in snd_pcm_lib_free_vmalloc_buffer()
506 	return vmalloc_to_page(substream->runtime->dma_area + offset);  in snd_pcm_lib_get_vmalloc_page()