[tip:numa/core] sched: Fix !CONFIG_SCHED_NUMA account_numa_enqueue() variant

[tip-bot for Ingo Molnar]

Commit-ID:  9744d7978477bddc141284876b6544f3d8f7dbd8
Gitweb:     http://git.kernel.org/tip/9744d7978477bddc141284876b6544f3d8f7dbd8
Author:     Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Sat, 20 Oct 2012 02:22:53 +0200
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Sat, 20 Oct 2012 03:12:17 +0200

sched: Fix !CONFIG_SCHED_NUMA account_numa_enqueue() variant

This build warning:

  kernel/sched/fair.c:1015:1: warning: no return statement in function returning non-void

Triggers because the dummy account_numa_enqueue() should return the
rq's task list.

It's not possible to trigger this bug runtime, nevertheless fix the
warning.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-qauskiJfwddwtkf5pivzht5U@xxxxxxxxxxxxxx
---
 kernel/sched/fair.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e93032d..a66a1b6 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -967,6 +967,7 @@ void task_tick_numa(struct rq *rq, struct task_struct *curr)
 #else
 static struct list_head *account_numa_enqueue(struct rq *rq, struct task_struct *p)
 {
+	return NULL;
 }
 
 static void account_numa_dequeue(struct rq *rq, struct task_struct *p)
--
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