From 6dfdb0629019f307ab18864b1fd3e5dbb02f383c Mon Sep 17 00:00:00 2001 From: Gautham R Shenoy Date: Wed, 25 Mar 2009 14:43:40 +0530 Subject: sched: Fix indentations in find_busiest_group() using gotos Impact: cleanup Some indentations in find_busiest_group() can minimized by using early exits with the help of gotos. This improves readability in a couple of cases. Signed-off-by: Gautham R Shenoy Acked-by: Peter Zijlstra Cc: Suresh Siddha Cc: "Balbir Singh" Cc: Nick Piggin Cc: "Dhaval Giani" Cc: Bharata B Rao Cc: "Vaidyanathan Srinivasan" LKML-Reference: <20090325091340.13992.45062.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar --- kernel/sched.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) (limited to 'kernel') diff --git a/kernel/sched.c b/kernel/sched.c index 6aec1e7a72a3..f87adbe999e0 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3403,14 +3403,14 @@ find_busiest_group(struct sched_domain *sd, int this_cpu, * capacity but still has some space to pick up some load * from other group and save more power */ - if (sum_nr_running <= group_capacity - 1) { - if (sum_nr_running > leader_nr_running || - (sum_nr_running == leader_nr_running && - group_first_cpu(group) < - group_first_cpu(group_leader))) { - group_leader = group; - leader_nr_running = sum_nr_running; - } + if (sum_nr_running > group_capacity - 1) + goto group_next; + + if (sum_nr_running > leader_nr_running || + (sum_nr_running == leader_nr_running && + group_first_cpu(group) < group_first_cpu(group_leader))) { + group_leader = group; + leader_nr_running = sum_nr_running; } group_next: #endif @@ -3531,14 +3531,16 @@ out_balanced: if (idle == CPU_NOT_IDLE || !(sd->flags & SD_POWERSAVINGS_BALANCE)) goto ret; - if (this == group_leader && group_leader != group_min) { - *imbalance = min_load_per_task; - if (sched_mc_power_savings >= POWERSAVINGS_BALANCE_WAKEUP) { - cpu_rq(this_cpu)->rd->sched_mc_preferred_wakeup_cpu = - group_first_cpu(group_leader); - } - return group_min; + if (this != group_leader || group_leader == group_min) + goto ret; + + *imbalance = min_load_per_task; + if (sched_mc_power_savings >= POWERSAVINGS_BALANCE_WAKEUP) { + cpu_rq(this_cpu)->rd->sched_mc_preferred_wakeup_cpu = + group_first_cpu(group_leader); } + return group_min; + #endif ret: *imbalance = 0; -- cgit v1.2.3