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author | David S. Miller <davem@davemloft.net> | 2018-02-19 18:46:11 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2018-02-19 18:46:11 -0500 |
commit | f5c0c6f4299f870f074235fbf552ecf957fc249c (patch) | |
tree | 6b46b9c0b271185b6f98fab350c3891042e729b1 /kernel/sched/deadline.c | |
parent | 26736a08ee0fb89a4f09bfb2c9f0805028ff63aa (diff) | |
parent | 79c0ef3e85c015b0921a8fd5dd539d1480e9cd6c (diff) | |
download | linux-f5c0c6f4299f870f074235fbf552ecf957fc249c.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'kernel/sched/deadline.c')
-rw-r--r-- | kernel/sched/deadline.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 9bb0e0c412ec..9df09782025c 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1153,6 +1153,7 @@ static void update_curr_dl(struct rq *rq) struct sched_dl_entity *dl_se = &curr->dl; u64 delta_exec, scaled_delta_exec; int cpu = cpu_of(rq); + u64 now; if (!dl_task(curr) || !on_dl_rq(dl_se)) return; @@ -1165,7 +1166,8 @@ static void update_curr_dl(struct rq *rq) * natural solution, but the full ramifications of this * approach need further study. */ - delta_exec = rq_clock_task(rq) - curr->se.exec_start; + now = rq_clock_task(rq); + delta_exec = now - curr->se.exec_start; if (unlikely((s64)delta_exec <= 0)) { if (unlikely(dl_se->dl_yielded)) goto throttle; @@ -1178,7 +1180,7 @@ static void update_curr_dl(struct rq *rq) curr->se.sum_exec_runtime += delta_exec; account_group_exec_runtime(curr, delta_exec); - curr->se.exec_start = rq_clock_task(rq); + curr->se.exec_start = now; cgroup_account_cputime(curr, delta_exec); sched_rt_avg_update(rq, delta_exec); |