136 	if (substream->runtime) {  in snd_pcm_lib_preallocate_proc_write()
289 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_malloc_pages()  local
297 	runtime = substream->runtime;  in snd_pcm_lib_malloc_pages()
299 	if (runtime->dma_buffer_p) {  in snd_pcm_lib_malloc_pages()
303 		if (runtime->dma_buffer_p->bytes >= size) {  in snd_pcm_lib_malloc_pages()
304 			runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
325 	runtime->dma_bytes = size;  in snd_pcm_lib_malloc_pages()
340 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_pages()  local
344 	runtime = substream->runtime;  in snd_pcm_lib_free_pages()
345 	if (runtime->dma_area == NULL)  in snd_pcm_lib_free_pages()
347 	if (runtime->dma_buffer_p != &substream->dma_buffer) {  in snd_pcm_lib_free_pages()
349 		snd_dma_free_pages(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
350 		kfree(runtime->dma_buffer_p);  in snd_pcm_lib_free_pages()
360 	struct snd_pcm_runtime *runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()  local
364 	runtime = substream->runtime;  in _snd_pcm_lib_alloc_vmalloc_buffer()
365 	if (runtime->dma_area) {  in _snd_pcm_lib_alloc_vmalloc_buffer()
366 		if (runtime->dma_bytes >= size)  in _snd_pcm_lib_alloc_vmalloc_buffer()
368 		vfree(runtime->dma_area);  in _snd_pcm_lib_alloc_vmalloc_buffer()
370 	runtime->dma_area = __vmalloc(size, gfp_flags, PAGE_KERNEL);  in _snd_pcm_lib_alloc_vmalloc_buffer()
371 	if (!runtime->dma_area)  in _snd_pcm_lib_alloc_vmalloc_buffer()
373 	runtime->dma_bytes = size;  in _snd_pcm_lib_alloc_vmalloc_buffer()
387 	struct snd_pcm_runtime *runtime;  in snd_pcm_lib_free_vmalloc_buffer()  local
391 	runtime = substream->runtime;  in snd_pcm_lib_free_vmalloc_buffer()
392 	vfree(runtime->dma_area);  in snd_pcm_lib_free_vmalloc_buffer()
393 	runtime->dma_area = NULL;  in snd_pcm_lib_free_vmalloc_buffer()
411 	return vmalloc_to_page(substream->runtime->dma_area + offset);  in snd_pcm_lib_get_vmalloc_page()