diff options
| author |   Christoph Lameter <clameter@sgi.com> | 2006-12-10 02:20:29 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-10 09:55:43 -0800 |
| commit | 08c183f31bdbb709f177f6d3110d5f288ea33933 (patch) | |
| tree | be7b84c07f3b0bf29473bad2b7b788fa189f948e /include/linux/topology.h | |
| parent | [PATCH] sched: call tasklet less frequently (diff) | |
| download | linux-dev-08c183f31bdbb709f177f6d3110d5f288ea33933.tar.xz linux-dev-08c183f31bdbb709f177f6d3110d5f288ea33933.zip | |
[PATCH] sched: add option to serialize load balancing
Large sched domains can be very expensive to scan. Add an option SD_SERIALIZE
to the sched domain flags. If that flag is set then we make sure that no
other such domain is being balanced.
[akpm@osdl.org: build fix]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Peter Williams <pwil3058@bigpond.net.au>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/topology.h')
| -rw-r--r-- | include/linux/topology.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h index b93bb6cc6cc2..6c5a6e6e813b 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -194,7 +194,8 @@ .wake_idx = 0, /* unused */ \ .forkexec_idx = 0, /* unused */ \ .per_cpu_gain = 100, \ - .flags = SD_LOAD_BALANCE, \ + .flags = SD_LOAD_BALANCE \ + | SD_SERIALIZE, \ .last_balance = jiffies, \ .balance_interval = 64, \ .nr_balance_failed = 0, \ |