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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54382C433EF for ; Thu, 2 Dec 2021 12:38:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241434AbhLBMmK (ORCPT ); Thu, 2 Dec 2021 07:42:10 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:19136 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346987AbhLBMmK (ORCPT ); Thu, 2 Dec 2021 07:42:10 -0500 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1B2AGZki027490; Thu, 2 Dec 2021 12:38:24 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=r6Pm1ReusIFHY8On0zyt9SICPJDZVwwJUxNiXPiktcc=; b=lo+y45dotK/w3nEDWygn1zORv7iQimLK2vst52VM6j/3R3QYt/lVKCTtXWtet6Hi5BiX foWEC2xG9btxjzp/46o5CRxGJWqrBiJagX/XAKZS9eQ5dVHf0s4xL5cARxwnhbNuIji5 N4DUw6vN5Nd6H/nE8ko7ShfXsgHY4M31ltT+C654c/ItKnCwJ4/OYTaQZhVonFNhTJJD JEj1bFTGMw8hZ3hpVMV+4TvcSSeyLuF/a7C0MwPxpfOpSmlYDx46pf4NfWII6Ka8NZAd Uur4nLoNo58dGW4IEw+uIOUGUMHDL0ieX0ztiVFuObzhOZaq8YgZeUhRPViWX/2HtGLJ 0Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3cpv8eardy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Dec 2021 12:38:24 +0000 Received: from m0098396.ppops.net (m0098396.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1B2BmVEp020533; Thu, 2 Dec 2021 12:38:23 GMT Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0a-001b2d01.pphosted.com with ESMTP id 3cpv8eardh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Dec 2021 12:38:23 +0000 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1B2CXgx1028029; Thu, 2 Dec 2021 12:38:22 GMT Received: from b03cxnp07027.gho.boulder.ibm.com (b03cxnp07027.gho.boulder.ibm.com [9.17.130.14]) by ppma02dal.us.ibm.com with ESMTP id 3cn5f0syrr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Dec 2021 12:38:22 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp07027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1B2CcL6B33882428 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Dec 2021 12:38:21 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 89EE96E050; Thu, 2 Dec 2021 12:38:21 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4EB066E05B; Thu, 2 Dec 2021 12:38:15 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.43.77.159]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 2 Dec 2021 12:38:14 +0000 (GMT) From: "Aneesh Kumar K.V" To: linux-mm@kvack.org Cc: akpm@linux-foundation.org, daniel.m.jordan@oracle.com, "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, Michal Hocko Subject: [PATCH v6 1/3] mm/mempolicy: use policy_node helper with MPOL_PREFERRED_MANY Date: Thu, 2 Dec 2021 18:08:08 +0530 Message-Id: <20211202123810.267175-2-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211202123810.267175-1-aneesh.kumar@linux.ibm.com> References: <20211202123810.267175-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: jnW5WpkcTiiOrA7kz72GJwMQkTFZH0hx X-Proofpoint-ORIG-GUID: VystT-CkDcYaHrzbA7Fuu1686-oaiTfU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-12-02_07,2021-12-02_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 bulkscore=0 phishscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112020080 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 Acked-by: Michal Hocko 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 10e9c87260ed..673b5fb13346 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