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author | David S. Miller <davem@davemloft.net> | 2011-12-02 22:49:21 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2011-12-02 22:49:21 +0400 |
commit | b3613118eb30a589d971e4eccbbb2a1314f5dfd4 (patch) | |
tree | 868c1ee59e1b5c19a4f2e43716400d0001a994e5 /include/net/red.h | |
parent | 7505afe28c16a8d386624930a018d0052c75d687 (diff) | |
parent | 5983fe2b29df5885880d7fa3b91aca306c7564ef (diff) | |
download | linux-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/net/red.h')
-rw-r--r-- | include/net/red.h | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/include/net/red.h b/include/net/red.h index 3319f16b3beb..b72a3b833936 100644 --- a/include/net/red.h +++ b/include/net/red.h @@ -116,7 +116,7 @@ struct red_parms { u32 qR; /* Cached random number */ unsigned long qavg; /* Average queue length: A scaled */ - psched_time_t qidlestart; /* Start of current idle period */ + ktime_t qidlestart; /* Start of current idle period */ }; static inline u32 red_rmask(u8 Plog) @@ -148,17 +148,17 @@ static inline void red_set_parms(struct red_parms *p, static inline int red_is_idling(struct red_parms *p) { - return p->qidlestart != PSCHED_PASTPERFECT; + return p->qidlestart.tv64 != 0; } static inline void red_start_of_idle_period(struct red_parms *p) { - p->qidlestart = psched_get_time(); + p->qidlestart = ktime_get(); } static inline void red_end_of_idle_period(struct red_parms *p) { - p->qidlestart = PSCHED_PASTPERFECT; + p->qidlestart.tv64 = 0; } static inline void red_restart(struct red_parms *p) @@ -170,13 +170,10 @@ static inline void red_restart(struct red_parms *p) static inline unsigned long red_calc_qavg_from_idle_time(struct red_parms *p) { - psched_time_t now; - long us_idle; + s64 delta = ktime_us_delta(ktime_get(), p->qidlestart); + long us_idle = min_t(s64, delta, p->Scell_max); int shift; - now = psched_get_time(); - us_idle = psched_tdiff_bounded(now, p->qidlestart, p->Scell_max); - /* * The problem: ideally, average length queue recalcultion should * be done over constant clock intervals. This is too expensive, so |