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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 1E7D4C65BD0 for ; Sat, 6 Oct 2018 11:23:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB46F2147D for ; Sat, 6 Oct 2018 11:23:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB46F2147D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.vnet.ibm.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 S1727694AbeJFS0l (ORCPT ); Sat, 6 Oct 2018 14:26:41 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:55264 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727302AbeJFS0l (ORCPT ); Sat, 6 Oct 2018 14:26:41 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w96BNg2w102263 for ; Sat, 6 Oct 2018 07:23:48 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0b-001b2d01.pphosted.com with ESMTP id 2mxq73s0b2-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sat, 06 Oct 2018 07:23:47 -0400 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sat, 6 Oct 2018 12:23:42 +0100 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w96BNf4X55967952 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 6 Oct 2018 11:23:41 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EFF785204E; Sat, 6 Oct 2018 14:23:16 +0100 (BST) Received: from srikart450.in.ibm.com (unknown [9.85.74.129]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 68C415204F; Sat, 6 Oct 2018 14:23:15 +0100 (BST) From: Srikar Dronamraju To: Ingo Molnar , Peter Zijlstra Cc: LKML , Mel Gorman , Rik van Riel , Srikar Dronamraju , Thomas Gleixner , Linux-MM Subject: [PATCH] mm,numa: Remove remaining traces of rate-limiting. Date: Sat, 6 Oct 2018 16:53:19 +0530 X-Mailer: git-send-email 2.7.4 X-TM-AS-GCONF: 00 x-cbid: 18100611-0012-0000-0000-000002B35D3B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18100611-0013-0000-0000-000020E7A247 Message-Id: <1538824999-31230-1-git-send-email-srikar@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-10-06_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810060120 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With Commit efaffc5e40ae ("mm, sched/numa: Remove rate-limiting of automatic NUMA balancing migration"), we no more require migrate lock and its initialization. Its redundant. Hence remove it. Signed-off-by: Srikar Dronamraju --- include/linux/mmzone.h | 4 ---- mm/page_alloc.c | 10 ---------- 2 files changed, 14 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 3f4c0b1..d4b0c79 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -668,10 +668,6 @@ typedef struct pglist_data { wait_queue_head_t kcompactd_wait; struct task_struct *kcompactd; #endif -#ifdef CONFIG_NUMA_BALANCING - /* Lock serializing the migrate rate limiting window */ - spinlock_t numabalancing_migrate_lock; -#endif /* * This is a per-node reserve of pages that are not available * to userspace allocations. diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 706a738..e2ef1c1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6193,15 +6193,6 @@ static unsigned long __init calc_memmap_size(unsigned long spanned_pages, return PAGE_ALIGN(pages * sizeof(struct page)) >> PAGE_SHIFT; } -#ifdef CONFIG_NUMA_BALANCING -static void pgdat_init_numabalancing(struct pglist_data *pgdat) -{ - spin_lock_init(&pgdat->numabalancing_migrate_lock); -} -#else -static void pgdat_init_numabalancing(struct pglist_data *pgdat) {} -#endif - #ifdef CONFIG_TRANSPARENT_HUGEPAGE static void pgdat_init_split_queue(struct pglist_data *pgdat) { @@ -6226,7 +6217,6 @@ static void __meminit pgdat_init_internals(struct pglist_data *pgdat) { pgdat_resize_init(pgdat); - pgdat_init_numabalancing(pgdat); pgdat_init_split_queue(pgdat); pgdat_init_kcompactd(pgdat); -- 2.7.4