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| author |   Peter Williams <pwil3058@bigpond.net.au> | 2007-10-24 18:23:51 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2007-10-24 18:23:51 +0200 |
| commit | 681f3e68541d6f03e3e05d21fe15093578b8b539 (patch) | |
| tree | 82e13a7b15a2bb15233ba964dd1eb352b007cae4 /kernel/sched_fair.c | |
| parent | sched: reduce balance-tasks overhead (diff) | |
| download | linux-dev-681f3e68541d6f03e3e05d21fe15093578b8b539.tar.xz linux-dev-681f3e68541d6f03e3e05d21fe15093578b8b539.zip | |
sched: isolate SMP balancing code a bit more
At the moment, a lot of load balancing code that is irrelevant to non
SMP systems gets included during non SMP builds.
This patch addresses this issue and reduces the binary size on non
SMP systems:
text data bss dec hex filename
10983 28 1192 12203 2fab sched.o.before
10739 28 1192 11959 2eb7 sched.o.after
Signed-off-by: Peter Williams <pwil3058@bigpond.net.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_fair.c')
| -rw-r--r-- | kernel/sched_fair.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index a90d0457d603..9971831b560e 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -876,6 +876,7 @@ static void put_prev_task_fair(struct rq *rq, struct task_struct *prev) } } +#ifdef CONFIG_SMP /************************************************** * Fair scheduling class load-balancing methods: */ @@ -1008,6 +1009,7 @@ move_one_task_fair(struct rq *this_rq, int this_cpu, struct rq *busiest, return 0; } +#endif /* * scheduler tick hitting a task of our scheduling class: @@ -1084,8 +1086,10 @@ static const struct sched_class fair_sched_class = { .pick_next_task = pick_next_task_fair, .put_prev_task = put_prev_task_fair, +#ifdef CONFIG_SMP .load_balance = load_balance_fair, .move_one_task = move_one_task_fair, +#endif .set_curr_task = set_curr_task_fair, .task_tick = task_tick_fair, |