161 	if (substream->runtime) {  in snd_pcm_lib_preallocate_proc_write()
386 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_malloc_pages()  local
394 	runtime = substream->runtime;  in snd_pcm_lib_malloc_pages()
397 	if (runtime->dma_buffer_p) {  in snd_pcm_lib_malloc_pages()
401 		if (runtime->dma_buffer_p->bytes >= size) {  in snd_pcm_lib_malloc_pages()
402 			runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
431 	runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
447 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_pages()  local
451 	runtime = substream->runtime;  in snd_pcm_lib_free_pages()
452 	if (runtime->dma_area == NULL)  in snd_pcm_lib_free_pages()
454 	if (runtime->dma_buffer_p != &substream->dma_buffer) {  in snd_pcm_lib_free_pages()
456 		do_free_pages(card, runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
457 		kfree(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
467 	struct snd_pcm_runtime *runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()  local
471 	runtime = substream->runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()
472 	if (runtime->dma_area) {  in _snd_pcm_lib_alloc_vmalloc_buffer()
473 		if (runtime->dma_bytes >= size)  in _snd_pcm_lib_alloc_vmalloc_buffer()
475 		vfree(runtime->dma_area);  in _snd_pcm_lib_alloc_vmalloc_buffer()
477 	runtime->dma_area = __vmalloc(size, gfp_flags);  in _snd_pcm_lib_alloc_vmalloc_buffer()
478 	if (!runtime->dma_area)  in _snd_pcm_lib_alloc_vmalloc_buffer()
480 	runtime->dma_bytes = size;  in _snd_pcm_lib_alloc_vmalloc_buffer()
494 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_vmalloc_buffer()  local
498 	runtime = substream->runtime;  in snd_pcm_lib_free_vmalloc_buffer()
499 	vfree(runtime->dma_area);  in snd_pcm_lib_free_vmalloc_buffer()
500 	runtime->dma_area = NULL;  in snd_pcm_lib_free_vmalloc_buffer()
518 	return vmalloc_to_page(substream->runtime->dma_area + offset);  in snd_pcm_lib_get_vmalloc_page()