add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/include/linux/dim.h
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@@ -236,8 +236,9 @@
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  *
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  * Calculate the delta between two samples (in data rates).
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  * Takes into consideration counter wrap-around.
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+ * Returned boolean indicates whether curr_stats are reliable.
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  */
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-void dim_calc_stats(struct dim_sample *start, struct dim_sample *end,
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+bool dim_calc_stats(struct dim_sample *start, struct dim_sample *end,
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 		    struct dim_stats *curr_stats);
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 /**