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-rw-r--r--kernel/power/power.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index ef9060576a4..c5321eb1f7c 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -180,3 +180,11 @@ static inline int pm_notifier_call_chain(unsigned long val)
return (blocking_notifier_call_chain(&pm_chain_head, val, NULL)
== NOTIFY_BAD) ? -EINVAL : 0;
}
+
+#ifdef CONFIG_HIGHMEM
+unsigned int count_highmem_pages(void);
+int restore_highmem(void);
+#else
+static inline unsigned int count_highmem_pages(void) { return 0; }
+static inline int restore_highmem(void) { return 0; }
+#endif