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=-4.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 0C5B9C2BA1A for ; Tue, 7 Apr 2020 16:54:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C1B0520730 for ; Tue, 7 Apr 2020 16:54:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="iCcgM+kx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1B0520730 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=fb.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 579B98E0005; Tue, 7 Apr 2020 12:54:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 552738E0001; Tue, 7 Apr 2020 12:54:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 48D998E0005; Tue, 7 Apr 2020 12:54:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0229.hostedemail.com [216.40.44.229]) by kanga.kvack.org (Postfix) with ESMTP id 312038E0001 for ; Tue, 7 Apr 2020 12:54:35 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id EC1B5180AD802 for ; Tue, 7 Apr 2020 16:54:34 +0000 (UTC) X-FDA: 76681657668.22.meat20_450e9e5d73a31 X-HE-Tag: meat20_450e9e5d73a31 X-Filterd-Recvd-Size: 3969 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Apr 2020 16:54:34 +0000 (UTC) Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.16.0.42/8.16.0.42) with SMTP id 037Gr4wH001045 for ; Tue, 7 Apr 2020 09:54:33 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=facebook; bh=q6NJGSZFT9Jwz3WXumWHGEYHmPxOZGveA/6s52p3pZo=; b=iCcgM+kx9fACFplk2u790/4RxU+DlHPPtskatF1zBqJ/CLLO+HHsQcAnoNUfU2sCIjPQ 7AkdoAwadc2uEuJ0SyMQs1QeCh6slNHWynbvJsKggqvAbohf5S9LkS4V+4nNGizcRJoF vBqkkazthr8NfppNTqaa0tLAfjephkOo/sY= Received: from maileast.thefacebook.com ([163.114.130.16]) by m0001303.ppops.net with ESMTP id 307449fuvf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 07 Apr 2020 09:54:33 -0700 Received: from intmgw004.06.prn3.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Tue, 7 Apr 2020 09:54:32 -0700 Received: by devvm2643.prn2.facebook.com (Postfix, from userid 111017) id 2178C3C9803B5; Tue, 7 Apr 2020 09:38:43 -0700 (PDT) Smtp-Origin-Hostprefix: devvm From: Roman Gushchin Smtp-Origin-Hostname: devvm2643.prn2.facebook.com To: Andrew Morton CC: Aslan Bakirov , Michal Hocko , , , , Rik van Riel , Mike Kravetz , Roman Gushchin Smtp-Origin-Cluster: prn2c23 Subject: [PATCH v5 0/2] mm: using CMA for 1 GB hugepages allocation Date: Tue, 7 Apr 2020 09:38:38 -0700 Message-ID: <20200407163840.92263-1-guro@fb.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-07_07:2020-04-07,2020-04-07 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 impostorscore=0 priorityscore=1501 spamscore=0 mlxlogscore=703 bulkscore=0 phishscore=0 clxscore=1015 mlxscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 suspectscore=2 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004070138 X-FB-Internal: deliver X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The patchset adds a hugetlb_cma boot option, which allows to reserve a cma area which can be later used for 1 GB hugepages allocations. v5: 1) made the hugetlb_cma work if a cma reservation fails on some nodes v4: 1) added a patch from Aslan, which is adding a useful function to cma 2) removed the hard-coded archs list from docs 3) added a warning printing on non-supported archs 4) hugetlb_lock is temporarily dropped in update_and_free_page() Thanks! Aslan Bakirov (1): mm: cma: NUMA node interface Roman Gushchin (1): mm: hugetlb: optionally allocate gigantic hugepages using cma .../admin-guide/kernel-parameters.txt | 8 ++ arch/arm64/mm/init.c | 6 + arch/x86/kernel/setup.c | 4 + include/linux/cma.h | 13 ++- include/linux/hugetlb.h | 12 ++ include/linux/memblock.h | 3 + mm/cma.c | 16 +-- mm/hugetlb.c | 109 ++++++++++++++++++ mm/memblock.c | 2 +- 9 files changed, 163 insertions(+), 10 deletions(-) --=20 2.25.1