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-rw-r--r--kernel/ptrace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index e6d6b029405e..97222b936a3e 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -11,6 +11,7 @@
#include <linux/errno.h>
#include <linux/mm.h>
#include <linux/highmem.h>
+#include <linux/pagemap.h>
#include <linux/smp_lock.h>
#include <asm/pgtable.h>