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-rw-r--r--include/linux/timekeeper_internal.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index f7ac48d2edf5..e9660e52dc09 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -90,6 +90,15 @@ struct timekeeper {
u64 xtime_interval;
s64 xtime_remainder;
u32 raw_interval;
+ /* The ntp_tick_length() value currently being used.
+ * This cached copy ensures we consistently apply the tick
+ * length for an entire tick, as ntp_tick_length may change
+ * mid-tick, and we don't want to apply that new value to
+ * the tick in progress.
+ */
+ u64 ntp_tick;
+ /* Difference between accumulated time and NTP time in ntp
+ * shifted nano seconds. */
s64 ntp_error;
u32 ntp_error_shift;
u32 ntp_err_mult;