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kernel/sched.c: add missing forward declaration for 'double_rq_lock' 

Impact: build fix on certain configs

Added 'double_rq_lock' forward declaration, allowing double_rq_lock
to be used in _double_lock_balance().

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Noonan 2009-01-11 01:04:22 -08:00 committed by Ingo Molnar
parent df051434f1
commit fd2ab30b65
1 changed files with 3 additions and 0 deletions
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kernel/sched.c
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@ -125,6 +125,9 @@ DEFINE_TRACE(sched_switch);
DEFINE_TRACE(sched_migrate_task);
#ifdef CONFIG_SMP
static void double_rq_lock(struct rq *rq1, struct rq *rq2);
/*
* Divide a load by a sched group cpu_power : (load / sg->__cpu_power)
* Since cpu_power is a 'constant', we can use a reciprocal divide.