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authorIngo Molnar <mingo@elte.hu>2011-12-15 11:21:21 +0400
committerIngo Molnar <mingo@elte.hu>2011-12-15 11:21:30 +0400
commit6a54aebf6978e9f296a4d3da3e40af425163c22e (patch)
tree8217c7114db02d8b69c22fc44880749426949bc3 /include/net/red.h
parent067491b7313c41f49607fce782d29344d1472587 (diff)
parentdc47ce90c3a822cd7c9e9339fe4d5f61dcb26b50 (diff)
downloadlinux-6a54aebf6978e9f296a4d3da3e40af425163c22e.tar.xz
Merge commit 'v3.2-rc5' into sched/core
Merge reason: Pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/net/red.h')
-rw-r--r--include/net/red.h15
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