diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-08-27 16:22:20 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-08-27 16:22:20 +1000 |
| commit | 93bb70e0c00f1be4cc857e4d8375c44058cce71e (patch) | |
| tree | 7b6a11844e00b3f4bf8281c7a799e61494220819 /kernel/sched/fair.c | |
| parent | 6f314ebbaa2667d67a7206ba78f28e46cf47eda5 (diff) | |
| parent | c182ae42cc3611f7b3fa803c0bcab6e5d29bea63 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
There was some merge conflicts in -next and they weren't so pretty, so
backmerge now to avoid them.
Conflicts:
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/intel_modes.c
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d0cc03b3e70..c219bf8d704 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3387,6 +3387,14 @@ static int tg_load_down(struct task_group *tg, void *data) static void update_h_load(long cpu) { + struct rq *rq = cpu_rq(cpu); + unsigned long now = jiffies; + + if (rq->h_load_throttle == now) + return; + + rq->h_load_throttle = now; + rcu_read_lock(); walk_tg_tree(tg_load_down, tg_nop, (void *)cpu); rcu_read_unlock(); @@ -4293,11 +4301,10 @@ redo: env.src_rq = busiest; env.loop_max = min(sysctl_sched_nr_migrate, busiest->nr_running); + update_h_load(env.src_cpu); more_balance: local_irq_save(flags); double_rq_lock(this_rq, busiest); - if (!env.loop) - update_h_load(env.src_cpu); /* * cur_ld_moved - load moved in current iteration |