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authorChristoph Lameter <clameter@sgi.com>2006-12-10 02:20:25 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:55:42 -0800
commitc9819f4593e8d052b41a89f47140f5c5e7e30582 (patch)
tree85da690ecd1e14506336009281e5c369d8457325 /lib/idr.c
parente418e1c2bf1a253916b569370653414eb28597b6 (diff)
[PATCH] sched: use softirq for load balancing
Call rebalance_tick (renamed to run_rebalance_domains) from a newly introduced softirq. We calculate the earliest time for each layer of sched domains to be rescanned (this is the rescan time for idle) and use the earliest of those to schedule the softirq via a new field "next_balance" added to struct rq. 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 'lib/idr.c')
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