From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F91DC64EB1 for ; Thu, 6 Dec 2018 21:38:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6A9D20700 for ; Thu, 6 Dec 2018 21:38:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="d9NbN1Bl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6A9D20700 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726071AbeLFVip (ORCPT ); Thu, 6 Dec 2018 16:38:45 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:35850 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725996AbeLFVio (ORCPT ); Thu, 6 Dec 2018 16:38:44 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wB6LYKm6154595; Thu, 6 Dec 2018 21:38:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=XGUsui2HUxGP5oXFniVNhiaofCv5bz7yaBSmgECxx7o=; b=d9NbN1BlFoSeljJs4XsEkY8bZ4MiFk2Veb2zlmkcLVycLA3WFdGExAhaexTPcbttv9XO rrZdNdhDIcLRgcwH84GCv4vDugWmf9bFJ/8m0UpAKloJs7t1h79jI0Q0/5naGFkFxgsJ YTUQGnT1r/6QNLi4PqDAnXMn9VMMq79vFWTd2gnGJaZBz4k2ZSb7OQKDWrvJbnT8+tZC zIPDg6z68Fz3aL7yAUP68oakavR6aOtSx19abo3uy/1K6AMQTY4O3HM67Wu80qaiJ1S5 yZ3HnVroK0V8IcE0/2eHjIjilvFRGpslkdzmSbHBC54vUr+l7dwNoDzalOqr0rQYSrh2 UA== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp2120.oracle.com with ESMTP id 2p3jxrtmdy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 06 Dec 2018 21:38:20 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id wB6LcKjZ004629 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 6 Dec 2018 21:38:20 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wB6LcJQU023563; Thu, 6 Dec 2018 21:38:19 GMT Received: from ca-dev63.us.oracle.com (/10.211.8.221) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 06 Dec 2018 21:38:19 +0000 From: Steve Sistare To: mingo@redhat.com, peterz@infradead.org Cc: subhra.mazumdar@oracle.com, dhaval.giani@oracle.com, daniel.m.jordan@oracle.com, pavel.tatashin@microsoft.com, matt@codeblueprint.co.uk, umgwanakikbuti@gmail.com, riel@redhat.com, jbacik@fb.com, juri.lelli@redhat.com, valentin.schneider@arm.com, vincent.guittot@linaro.org, quentin.perret@arm.com, steven.sistare@oracle.com, linux-kernel@vger.kernel.org Subject: [PATCH v4 06/10] sched/fair: Generalize the detach_task interface Date: Thu, 6 Dec 2018 13:28:12 -0800 Message-Id: <1544131696-2888-7-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1544131696-2888-1-git-send-email-steven.sistare@oracle.com> References: <1544131696-2888-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9099 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812060181 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The detach_task function takes a struct lb_env argument, but only needs a few of its members. Pass the rq and cpu arguments explicitly so the function may be called from code that is not based on lb_env. No functional change. Signed-off-by: Steve Sistare --- kernel/sched/fair.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 8a33ad9..9b7c85b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7207,15 +7207,15 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env) } /* - * detach_task() -- detach the task for the migration specified in env + * detach_task() -- detach the task for the migration from @src_rq to @dst_cpu. */ -static void detach_task(struct task_struct *p, struct lb_env *env) +static void detach_task(struct task_struct *p, struct rq *src_rq, int dst_cpu) { - lockdep_assert_held(&env->src_rq->lock); + lockdep_assert_held(&src_rq->lock); p->on_rq = TASK_ON_RQ_MIGRATING; - deactivate_task(env->src_rq, p, DEQUEUE_NOCLOCK); - set_task_cpu(p, env->dst_cpu); + deactivate_task(src_rq, p, DEQUEUE_NOCLOCK); + set_task_cpu(p, dst_cpu); } /* @@ -7235,7 +7235,7 @@ static struct task_struct *detach_one_task(struct lb_env *env) if (!can_migrate_task(p, env)) continue; - detach_task(p, env); + detach_task(p, env->src_rq, env->dst_cpu); /* * Right now, this is only the second place where @@ -7302,7 +7302,7 @@ static int detach_tasks(struct lb_env *env) if ((load / 2) > env->imbalance) goto next; - detach_task(p, env); + detach_task(p, env->src_rq, env->dst_cpu); list_add(&p->se.group_node, &env->tasks); detached++; -- 1.8.3.1