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-rw-r--r--include/sound/pcm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index afaf3e88e086..2f645dfd7f70 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -26,6 +26,7 @@
#include <sound/asound.h>
#include <sound/memalloc.h>
#include <linux/poll.h>
+#include <linux/mm.h>
#include <linux/bitops.h>
#define snd_pcm_substream_chip(substream) ((substream)->private_data)