[PATCH] severing poll.h -> mm.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/sound/oss/es1371.c b/sound/oss/es1371.c
index ddf6b0a..cc282a0 100644
--- a/sound/oss/es1371.c
+++ b/sound/oss/es1371.c
@@ -130,6 +130,7 @@
 #include <linux/wait.h>
 #include <linux/dma-mapping.h>
 #include <linux/mutex.h>
+#include <linux/mm.h>
 
 #include <asm/io.h>
 #include <asm/page.h>