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authorChristoph Lameter <clameter@sgi.com>2006-12-10 02:20:29 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:55:43 -0800
commit08c183f31bdbb709f177f6d3110d5f288ea33933 (patch)
treebe7b84c07f3b0bf29473bad2b7b788fa189f948e /include/asm-ia64/topology.h
parent1bd77f2da58e9cdd1f159217887343dadd9af417 (diff)
[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-ia64/topology.h')
-rw-r--r--include/asm-ia64/topology.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index a6e38565ab4..22ed6749557 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -101,6 +101,7 @@ void build_cpu_to_node_map(void);
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_EXEC \
| SD_BALANCE_FORK \
+ | SD_SERIALIZE \
| SD_WAKE_BALANCE, \
.last_balance = jiffies, \
.balance_interval = 64, \