[PATCH] sched: add option to serialize load balancing
authorChristoph Lameter <clameter@sgi.com>
Sun, 10 Dec 2006 10:20:29 +0000 (02:20 -0800)
committerLinus Torvalds <torvalds@woody.osdl.org>
Sun, 10 Dec 2006 17:55:43 +0000 (09:55 -0800)
commit08c183f31bdbb709f177f6d3110d5f288ea33933
treebe7b84c07f3b0bf29473bad2b7b788fa189f948e
parent1bd77f2da58e9cdd1f159217887343dadd9af417
[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>
include/asm-i386/topology.h
include/asm-ia64/topology.h
include/asm-powerpc/topology.h
include/asm-x86_64/topology.h
include/linux/sched.h
include/linux/topology.h
kernel/sched.c