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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D77AC433EF for ; Mon, 1 Nov 2021 05:02:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C70E60F4F for ; Mon, 1 Nov 2021 05:02:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229506AbhKAFFO (ORCPT ); Mon, 1 Nov 2021 01:05:14 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:46190 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229468AbhKAFFN (ORCPT ); Mon, 1 Nov 2021 01:05:13 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1A14NUvV008308; Mon, 1 Nov 2021 05:02:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=yzP1sRl2XHUwlMcaDx2oXZtZvjVgXg6KwtPNJGUlscM=; b=jNw49hJXAvIr/Qx7LjQlQ8c1FfGeJJ+P7noldimyU4rlYhN0ERchosF8LBLqLQC0nmXa rvAPdw3i/N9dSV4QwYxct8UEglh5XFi+7mP9nv2WqUeP4y7c4Ihs3nY2Im9jPx8ItTzT gIdav8nzK1cb8TJHB2JREy0kinouENLk3W5MPM8RfKXtrLU0gEjE0HztbT96kAXMJxoY 87HKqKSQcwWMjyzm7yi2U8EYQAVfR6iGcdose4g1R/cxgNp1UOcAPwREn8moMVX2pOxb hXUVcHjYLst2sogUgaCpiqJpfdtBV9HcP3pCZgepkmGkHfwi+UlYS8Wj6bozdnH9i/OV ng== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3c295y8h7c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 01 Nov 2021 05:02:24 +0000 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1A1512VY023429; Mon, 1 Nov 2021 05:02:23 GMT Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0a-001b2d01.pphosted.com with ESMTP id 3c295y8h71-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 01 Nov 2021 05:02:23 +0000 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1A14vG19018688; Mon, 1 Nov 2021 05:02:22 GMT Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by ppma04dal.us.ibm.com with ESMTP id 3c0wpa3yeh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 01 Nov 2021 05:02:22 +0000 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1A152L0i18874980 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 1 Nov 2021 05:02:21 GMT Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F2DC7136059; Mon, 1 Nov 2021 05:02:20 +0000 (GMT) Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3F88613605E; Mon, 1 Nov 2021 05:02:15 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.43.68.139]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 1 Nov 2021 05:02:14 +0000 (GMT) From: "Aneesh Kumar K.V" To: linux-mm@kvack.org Cc: akpm@linux-foundation.org, "Aneesh Kumar K.V" , Ben Widawsky , Dave Hansen , Feng Tang , Michal Hocko , Andrea Arcangeli , Mel Gorman , Mike Kravetz , Randy Dunlap , Vlastimil Babka , Andi Kleen , Dan Williams , Huang Ying , linux-api@vger.kernel.org Subject: [PATCH v4 1/3] mm/mempolicy: use policy_node helper with MPOL_PREFERRED_MANY Date: Mon, 1 Nov 2021 10:32:04 +0530 Message-Id: <20211101050206.549050-2-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211101050206.549050-1-aneesh.kumar@linux.ibm.com> References: <20211101050206.549050-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: cVh7F7emsUtpr637JFJE6P7uAR-rtcGJ X-Proofpoint-ORIG-GUID: 7iAPdD3tqow-lhq1rKsbtGK9JmOI56mk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-01_01,2021-10-29_03,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2111010027 Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org A followup patch will enable setting a home node with MPOL_PREFERRED_MANY memory policy. To facilitate that switch to using policy_node helper. There is no functional change in this patch. Cc: Ben Widawsky Cc: Dave Hansen Cc: Feng Tang Cc: Michal Hocko Cc: Andrea Arcangeli Cc: Mel Gorman Cc: Mike Kravetz Cc: Randy Dunlap Cc: Vlastimil Babka Cc: Andi Kleen Cc: Dan Williams Cc: Huang Ying Cc: linux-api@vger.kernel.org Signed-off-by: Aneesh Kumar K.V --- mm/mempolicy.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index d12e0608fced..35a0e72c74a3 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2061,7 +2061,7 @@ static struct page *alloc_pages_preferred_many(gfp_t gfp, unsigned int order, preferred_gfp &= ~(__GFP_DIRECT_RECLAIM | __GFP_NOFAIL); page = __alloc_pages(preferred_gfp, order, nid, &pol->nodes); if (!page) - page = __alloc_pages(gfp, order, numa_node_id(), NULL); + page = __alloc_pages(gfp, order, nid, NULL); return page; } @@ -2102,6 +2102,7 @@ struct page *alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, } if (pol->mode == MPOL_PREFERRED_MANY) { + node = policy_node(gfp, pol, node); page = alloc_pages_preferred_many(gfp, order, node, pol); mpol_cond_put(pol); goto out; @@ -2186,7 +2187,7 @@ struct page *alloc_pages(gfp_t gfp, unsigned order) page = alloc_page_interleave(gfp, order, interleave_nodes(pol)); else if (pol->mode == MPOL_PREFERRED_MANY) page = alloc_pages_preferred_many(gfp, order, - numa_node_id(), pol); + policy_node(gfp, pol, numa_node_id()), pol); else page = __alloc_pages(gfp, order, policy_node(gfp, pol, numa_node_id()), -- 2.31.1