diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index f8d4a419f3af..467039b342b5 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1062,8 +1062,8 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
 	runtime->oss.channels = params_channels(params);
 	runtime->oss.rate = params_rate(params);
 
-	vfree(runtime->oss.buffer);
-	runtime->oss.buffer = vmalloc(runtime->oss.period_bytes);
+	kvfree(runtime->oss.buffer);
+	runtime->oss.buffer = kvzalloc(runtime->oss.period_bytes, GFP_KERNEL);
 	if (!runtime->oss.buffer) {
 		err = -ENOMEM;
 		goto failure;
@@ -2328,7 +2328,7 @@ static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime;
 	runtime = substream->runtime;
-	vfree(runtime->oss.buffer);
+	kvfree(runtime->oss.buffer);
 	runtime->oss.buffer = NULL;
 #ifdef CONFIG_SND_PCM_OSS_PLUGINS
 	snd_pcm_oss_plugin_clear(substream);
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 141c5f3a9575..31cb2acf8afc 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -66,8 +66,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
 		return -ENXIO;
 	size /= 8;
 	if (plugin->buf_frames < frames) {
-		vfree(plugin->buf);
-		plugin->buf = vmalloc(size);
+		kvfree(plugin->buf);
+		plugin->buf = kvzalloc(size, GFP_KERNEL);
 		plugin->buf_frames = frames;
 	}
 	if (!plugin->buf) {
@@ -191,7 +191,7 @@ int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin)
 	if (plugin->private_free)
 		plugin->private_free(plugin);
 	kfree(plugin->buf_channels);
-	vfree(plugin->buf);
+	kvfree(plugin->buf);
 	kfree(plugin);
 	return 0;
 }