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 28245C4332F for ; Wed, 20 Oct 2021 09:25:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A29661074 for ; Wed, 20 Oct 2021 09:25:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229555AbhJTJ1v (ORCPT ); Wed, 20 Oct 2021 05:27:51 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:34366 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229503AbhJTJ1u (ORCPT ); Wed, 20 Oct 2021 05:27:50 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19K8hbZH008319; Wed, 20 Oct 2021 05:25:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=HOGHmzqpzsOdwB/Bqi0kaipplO7h8QHSumoPfiY7EJk=; b=OK6x77bm+O1bh/7uqLnPLU18WMdI9bGw8u03eKTNKZuM6Ws7yTb5sFT8wQysWmTWjQuv F8hNW2K10gimEuLR33PkX50jj+ITvpt7D9jlFp8ivw+LgF04x1gWTZRKMTnUxOgQJjnd MlP5GEN1WrQwWFeRSyQdSTSv9MACoReAKCj+yMhn8p6De4vt4uyhlgd0U2PewwUMkeKO 8NZRNO16bGaJ2OUCghWxG04Mjms2GNdbt+kCqUtaw3R0hNCwEoFd4bG6RdyM7XbCTzq1 uob8UsvOb/oUi1+uBKDYf09mXqiMtmWYWcII+rf0eJaal2GOPUWD+31Og8d8MefhXNP4 Mw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3btekqjcm9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Oct 2021 05:25:16 -0400 Received: from m0098414.ppops.net (m0098414.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 19K9PGEb002559; Wed, 20 Oct 2021 05:25:16 -0400 Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0b-001b2d01.pphosted.com with ESMTP id 3btekqjcku-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Oct 2021 05:25:16 -0400 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 19K9HWbC013123; Wed, 20 Oct 2021 09:25:15 GMT Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by ppma04dal.us.ibm.com with ESMTP id 3bqpccjv93-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Oct 2021 09:25:15 +0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 19K9PE0A28377516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 20 Oct 2021 09:25:14 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1F7BEBE058; Wed, 20 Oct 2021 09:25:14 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 34A26BE05A; Wed, 20 Oct 2021 09:25:08 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.43.103.88]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 20 Oct 2021 09:25:07 +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: [RFC PATCH v2 1/3] mm/mempolicy: use policy_node helper with MPOL_PREFERRED_MANY Date: Wed, 20 Oct 2021 14:54:51 +0530 Message-Id: <20211020092453.179929-1-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: iG9v2vf4byP1moR6l-mGvYafZBMPnrQV X-Proofpoint-GUID: uG0JLlILDPohXSpqiyOOCRNh3y9blkcb 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=2021-10-20_04,2021-10-19_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 clxscore=1015 impostorscore=0 suspectscore=0 phishscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110200051 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 1592b081c58e..6f0f607cd070 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2067,7 +2067,7 @@ 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; } @@ -2108,6 +2108,7 @@ 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; @@ -2192,7 +2193,7 @@ 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