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-rw-r--r--include/linux/units.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/units.h b/include/linux/units.h
index 681fc652e3d7..2793a41e73a2 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -20,6 +20,9 @@
#define PICO 1000000000000ULL
#define FEMTO 1000000000000000ULL
+#define NANOHZ_PER_HZ 1000000000UL
+#define MICROHZ_PER_HZ 1000000UL
+#define MILLIHZ_PER_HZ 1000UL
#define HZ_PER_KHZ 1000UL
#define KHZ_PER_MHZ 1000UL
#define HZ_PER_MHZ 1000000UL