From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) by kanga.kvack.org (Postfix) with ESMTP id D25EC6B0037 for ; Wed, 11 Dec 2013 19:12:35 -0500 (EST) Received: by mail-pd0-f174.google.com with SMTP id y13so10510241pdi.33 for ; Wed, 11 Dec 2013 16:12:35 -0800 (PST) Received: from e28smtp03.in.ibm.com (e28smtp03.in.ibm.com. [122.248.162.3]) by mx.google.com with ESMTPS id fn9si14928153pab.0.2013.12.11.16.12.33 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 11 Dec 2013 16:12:34 -0800 (PST) Received: from /spool/local by e28smtp03.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 12 Dec 2013 05:42:31 +0530 Received: from d28relay04.in.ibm.com (d28relay04.in.ibm.com [9.184.220.61]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id C73FBE0053 for ; Thu, 12 Dec 2013 05:44:48 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay04.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rBC0COIu55312504 for ; Thu, 12 Dec 2013 05:42:24 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rBC0CShZ029682 for ; Thu, 12 Dec 2013 05:42:28 +0530 From: Wanpeng Li Subject: [PATCH v7 1/4] sched/numa: drop sysctl_numa_balancing_settle_count sysctl Date: Thu, 12 Dec 2013 08:12:20 +0800 Message-Id: <1386807143-15994-2-git-send-email-liwanp@linux.vnet.ibm.com> In-Reply-To: <1386807143-15994-1-git-send-email-liwanp@linux.vnet.ibm.com> References: <1386807143-15994-1-git-send-email-liwanp@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ingo Molnar , Peter Zijlstra Cc: Andrew Morton , Rik van Riel , Mel Gorman , Naoya Horiguchi , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Wanpeng Li commit 887c290e (sched/numa: Decide whether to favour task or group weights based on swap candidate relationships) drop the check against sysctl_numa_balancing_settle_count, this patch remove the sysctl. Acked-by: Mel Gorman Reviewed-by: Rik van Riel Signed-off-by: Wanpeng Li --- include/linux/sched/sysctl.h | 1 - kernel/sched/fair.c | 9 --------- kernel/sysctl.c | 7 ------- 3 files changed, 17 deletions(-) diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index 41467f8..31e0193 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -48,7 +48,6 @@ extern unsigned int sysctl_numa_balancing_scan_delay; extern unsigned int sysctl_numa_balancing_scan_period_min; extern unsigned int sysctl_numa_balancing_scan_period_max; extern unsigned int sysctl_numa_balancing_scan_size; -extern unsigned int sysctl_numa_balancing_settle_count; #ifdef CONFIG_SCHED_DEBUG extern unsigned int sysctl_sched_migration_cost; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 49aa01f..cdceb8e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -886,15 +886,6 @@ static unsigned int task_scan_max(struct task_struct *p) return max(smin, smax); } -/* - * Once a preferred node is selected the scheduler balancer will prefer moving - * a task to that node for sysctl_numa_balancing_settle_count number of PTE - * scans. This will give the process the chance to accumulate more faults on - * the preferred node but still allow the scheduler to move the task again if - * the nodes CPUs are overloaded. - */ -unsigned int sysctl_numa_balancing_settle_count __read_mostly = 4; - static void account_numa_enqueue(struct rq *rq, struct task_struct *p) { rq->nr_numa_running += (p->numa_preferred_nid != -1); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 34a6047..c8da99f 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -385,13 +385,6 @@ static struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, { - .procname = "numa_balancing_settle_count", - .data = &sysctl_numa_balancing_settle_count, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = proc_dointvec, - }, - { .procname = "numa_balancing_migrate_deferred", .data = &sysctl_numa_balancing_migrate_deferred, .maxlen = sizeof(unsigned int), -- 1.8.3.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org