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-rw-r--r--drivers/char/mem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index a89cb52228c2..55473371b7c6 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -26,6 +26,7 @@
#include <linux/backing-dev.h>
#include <linux/bootmem.h>
#include <linux/pipe_fs_i.h>
+#include <linux/pfn.h>
#include <asm/uaccess.h>
#include <asm/io.h>