From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754184Ab1ANH6A (ORCPT ); Fri, 14 Jan 2011 02:58:00 -0500 Received: from mail.windriver.com ([147.11.1.11]:37088 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751218Ab1ANH5z (ORCPT ); Fri, 14 Jan 2011 02:57:55 -0500 From: Yong Zhang To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Peter Zijlstra Subject: [PATCH] sched: replace rq->bkl_count with rq->rq_sched_info.bkl_count Date: Fri, 14 Jan 2011 15:57:39 +0800 Message-Id: <1294991859-13246-1-git-send-email-yong.zhang0@gmail.com> X-Mailer: git-send-email 1.7.0.4 X-OriginalArrivalTime: 14 Jan 2011 07:57:41.0311 (UTC) FILETIME=[B80C7CF0:01CBB3C0] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now rq->rq_sched_info.bkl_count is not used for rq, scroll rq->bkl_count into it. Thus we can save some space for rq. Signed-off-by: Yong Zhang Cc: Ingo Molnar Cc: Peter Zijlstra --- kernel/sched.c | 5 +---- kernel/sched_debug.c | 4 +++- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index ea3e5ef..3d6df21 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -553,9 +553,6 @@ struct rq { /* try_to_wake_up() stats */ unsigned int ttwu_count; unsigned int ttwu_local; - - /* BKL stats */ - unsigned int bkl_count; #endif }; @@ -3887,7 +3884,7 @@ static inline void schedule_debug(struct task_struct *prev) schedstat_inc(this_rq(), sched_count); #ifdef CONFIG_SCHEDSTATS if (unlikely(prev->lock_depth >= 0)) { - schedstat_inc(this_rq(), bkl_count); + schedstat_inc(this_rq(), rq_sched_info.bkl_count); schedstat_inc(prev, sched_info.bkl_count); } #endif diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index 1dfae3d..8ee0aa7 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -262,9 +262,11 @@ static void print_cpu(struct seq_file *m, int cpu) P(ttwu_count); P(ttwu_local); - P(bkl_count); + SEQ_printf(m, " .%-30s: %d\n", "bkl_count", + rq->rq_sched_info.bkl_count); #undef P +#undef P64 #endif print_cfs_stats(m, cpu); print_rt_stats(m, cpu); -- 1.7.0.4