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authorMike Galbraith <efault@gmx.de>2008-11-07 17:26:50 +0300
committerIngo Molnar <mingo@elte.hu>2008-11-07 17:35:11 +0300
commit14800984706bf6936bbec5187f736e928be5c218 (patch)
tree09b462191420a5652601a30711211693fb0e3239
parentca3273f9646694e0419cfb9d6c12deb1c9aff27c (diff)
downloadlinux-14800984706bf6936bbec5187f736e928be5c218.tar.xz
sched: fine-tune SD_MC_INIT
Tune SD_MC_INIT the same way as SD_CPU_INIT: unset SD_BALANCE_NEWIDLE, and set SD_WAKE_BALANCE. This improves vmark by 5%: vmark 132102 125968 125497 messages/sec avg 127855.66 .984 vmark 139404 131719 131272 messages/sec avg 134131.66 1.033 Signed-off-by: Mike Galbraith <efault@gmx.de> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> # *DOCUMENTATION*
-rw-r--r--include/linux/topology.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 34a7ee0ebed2..a8d840595b7e 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -120,10 +120,10 @@ void arch_update_cpu_topology(void);
.wake_idx = 1, \
.forkexec_idx = 1, \
.flags = SD_LOAD_BALANCE \
- | SD_BALANCE_NEWIDLE \
| SD_BALANCE_FORK \
| SD_BALANCE_EXEC \
| SD_WAKE_AFFINE \
+ | SD_WAKE_BALANCE \
| SD_SHARE_PKG_RESOURCES\
| BALANCE_FOR_MC_POWER, \
.last_balance = jiffies, \