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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-09-16 08:28:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-16 08:42:40 +0200 |
| commit | 59abf02644c45f1591e1374ee7bb45dc757fcb88 (patch) | |
| tree | ce9cb0a4a57873b9d7d75cce4d28308019367192 /include/linux/topology.h | |
| parent | e69b0f1b41c0e57bb1e29100b5810a5914efcb45 (diff) | |
| download | kernel_samsung_espresso10-59abf02644c45f1591e1374ee7bb45dc757fcb88.zip kernel_samsung_espresso10-59abf02644c45f1591e1374ee7bb45dc757fcb88.tar.gz kernel_samsung_espresso10-59abf02644c45f1591e1374ee7bb45dc757fcb88.tar.bz2 | |
sched: Add SD_PREFER_LOCAL
And turn it on for NUMA and MC domains. This improves
locality in balancing decisions by keeping up to
capacity amount of tasks local before looking for idle
CPUs. (and twice the capacity if SD_POWERSAVINGS_BALANCE
is set.)
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/topology.h')
| -rw-r--r-- | include/linux/topology.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h index 936ab2b..a6614b0 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -129,6 +129,7 @@ int arch_update_cpu_topology(void); | 1*SD_BALANCE_FORK \ | 1*SD_BALANCE_WAKE \ | 1*SD_WAKE_AFFINE \ + | 1*SD_PREFER_LOCAL \ | 0*SD_SHARE_CPUPOWER \ | 1*SD_SHARE_PKG_RESOURCES \ | 0*SD_SERIALIZE \ @@ -161,6 +162,7 @@ int arch_update_cpu_topology(void); | 1*SD_BALANCE_FORK \ | 1*SD_BALANCE_WAKE \ | 1*SD_WAKE_AFFINE \ + | 1*SD_PREFER_LOCAL \ | 0*SD_SHARE_CPUPOWER \ | 0*SD_SHARE_PKG_RESOURCES \ | 0*SD_SERIALIZE \ |