[tip:sched/core] sched: Wrap the 'cfs_rq->nr_spread_over' field with CONFIG_SCHED_DEBUG

[tip-bot for Rakib Mullick <rakib.mullick@gmail.com>]

Commit-ID:  4934a4d3d3fa775601a9f1b35cc0e2aa93f81355
Gitweb:     http://git.kernel.org/tip/4934a4d3d3fa775601a9f1b35cc0e2aa93f81355
Author:     Rakib Mullick <rakib.mullick@gmail.com>
AuthorDate: Wed, 4 May 2011 22:53:46 +0600
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 6 May 2011 09:04:19 +0200

sched: Wrap the 'cfs_rq->nr_spread_over' field with CONFIG_SCHED_DEBUG

cfs_rq->nr_spread_over is only used when CONFIG_SCHED_DEBUG is set.
So wrap it with CONFIG_SCHED_DEBUG.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1304528026.15681.3.camel@localhost.localdomain
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index f11a2a5..3d8a1b2 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -328,7 +328,9 @@ struct cfs_rq {
 	 */
 	struct sched_entity *curr, *next, *last, *skip;
 
+#ifdef	CONFIG_SCHED_DEBUG
 	unsigned int nr_spread_over;
+#endif
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
 	struct rq *rq;	/* cpu runqueue to which this cfs_rq is attached */