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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,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 730B6C433DB for ; Tue, 12 Jan 2021 16:17:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F395229CA for ; Tue, 12 Jan 2021 16:17:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406317AbhALQRS (ORCPT ); Tue, 12 Jan 2021 11:17:18 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:57340 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406235AbhALQRP (ORCPT ); Tue, 12 Jan 2021 11:17:15 -0500 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGFX1h107499; Tue, 12 Jan 2021 16:16:16 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 : mime-version : content-transfer-encoding; s=corp-2020-01-29; bh=tyPOyHcy0C0fk2HmVXtPsBQXwI8CIVo0QoSlzxuxY88=; b=kHvzxbBKC8yk12meq4QTYW8Ht7qBO4cfvZdq7Zx52z2ODYq9N5nUiXbzD5UHkksI+NH0 wIPZMuJ2ieFz+OQ6xu3Ho2aqqjCf8plwxD9/cI9EaSzPYFbAV7MMbxQROtRWu7Eoqy+N Iwg1eRAZpPajKK0o6sRgZ8p6zCcoICDvBdUerbcALQpUryqWYs1RQqWkm1YmOqSVdB8L cxn1CXUJD6cQpkcR5eoXIKslIag7oHWjvqVtleoXb+5oCxNCJh89Y+NfMfpnEUF9Z+lL jW7tXWFh0XCzul6AmmUqcMCor3KncUtJ7HMjrrBxwc+gHF+CxXEjnvHM+5jxl1hINAJn 1g== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2130.oracle.com with ESMTP id 360kg1q5ek-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:16:16 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGAWF1161603; Tue, 12 Jan 2021 16:14:15 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 360kf5q5bj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:14:15 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 10CGEE6l018218; Tue, 12 Jan 2021 16:14:14 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:14:14 -0800 From: "Liam R. Howlett" To: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Jerome Glisse , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra Subject: [PATCH v2 50/70] kernel/sched/fair: Use maple tree iterators instead of linked list Date: Tue, 12 Jan 2021 11:12:20 -0500 Message-Id: <20210112161240.2024684-51-Liam.Howlett@Oracle.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> References: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 mlxlogscore=999 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 mlxscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120093 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Liam R. Howlett --- kernel/sched/fair.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index ae7ceba8fd4f2..1cb3a245ffd85 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2723,6 +2723,7 @@ static void task_numa_work(struct callback_head *work) unsigned long start, end; unsigned long nr_pte_updates = 0; long pages, virtpages; + MA_STATE(mas, &mm->mm_mt, 0, 0); SCHED_WARN_ON(p != container_of(work, struct task_struct, numa_work)); @@ -2775,13 +2776,16 @@ static void task_numa_work(struct callback_head *work) if (!mmap_read_trylock(mm)) return; - vma = find_vma(mm, start); + + mas_set(&mas, start); + vma = mas_walk(&mas); if (!vma) { reset_ptenuma_scan(p); start = 0; - vma = mm->mmap; + mas_set(&mas, start); } - for (; vma; vma = vma->vm_next) { + + mas_for_each(&mas, vma, ULONG_MAX) { if (!vma_migratable(vma) || !vma_policy_mof(vma) || is_vm_hugetlb_page(vma) || (vma->vm_flags & VM_MIXEDMAP)) { continue; -- 2.28.0