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-rw-r--r--sound/oss/cs46xx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/oss/cs46xx.c b/sound/oss/cs46xx.c
index b1c5d8286e40..147c8a951137 100644
--- a/sound/oss/cs46xx.c
+++ b/sound/oss/cs46xx.c
@@ -91,6 +91,7 @@
#include <linux/poll.h>
#include <linux/ac97_codec.h>
#include <linux/mutex.h>
+#include <linux/mm.h>
#include <asm/io.h>
#include <asm/dma.h>