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-rw-r--r--include/linux/vmstat.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 5323600..5e9803e 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -74,7 +74,13 @@ static inline void count_vm_events(enum vm_event_item item, long delta)
}
extern void all_vm_events(unsigned long *);
+#ifdef CONFIG_HOTPLUG
extern void vm_events_fold_cpu(int cpu);
+#else
+static inline void vm_events_fold_cpu(int cpu)
+{
+}
+#endif
#else
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