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| 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/asm-i386 | |
| parent | 1bd77f2da58e9cdd1f159217887343dadd9af417 (diff) | |
| download | linux-08c183f31bdbb709f177f6d3110d5f288ea33933.tar.gz linux-08c183f31bdbb709f177f6d3110d5f288ea33933.tar.bz2 linux-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/asm-i386')
| -rw-r--r-- | include/asm-i386/topology.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/topology.h b/include/asm-i386/topology.h index 978d09596130..ac58580ad664 100644 --- a/include/asm-i386/topology.h +++ b/include/asm-i386/topology.h @@ -89,6 +89,7 @@ static inline int node_to_first_cpu(int node) .flags = SD_LOAD_BALANCE \ | SD_BALANCE_EXEC \ | SD_BALANCE_FORK \ + | SD_SERIALIZE \ | SD_WAKE_BALANCE, \ .last_balance = jiffies, \ .balance_interval = 1, \ |