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-rw-r--r--mm/madvise.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 968df3aa069f..80a78bb16782 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -20,6 +20,7 @@
#include <linux/file.h>
#include <linux/blkdev.h>
#include <linux/backing-dev.h>
+#include <linux/pagewalk.h>
#include <linux/swap.h>
#include <linux/swapops.h>
#include <linux/shmem_fs.h>