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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 2E2CBC8300E for ; Thu, 19 Nov 2020 17:38:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6BA024707 for ; Thu, 19 Nov 2020 17:38:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="ninJB3xN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729566AbgKSRiT (ORCPT ); Thu, 19 Nov 2020 12:38:19 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:64506 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729487AbgKSRiQ (ORCPT ); Thu, 19 Nov 2020 12:38:16 -0500 Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AJHUR6h010042 for ; Thu, 19 Nov 2020 09:38:15 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=th+CKi28MlGZAnT3YwU2SbBmrPkQrrRTwPpc7M09M30=; b=ninJB3xNR5qa/mBqJLp9P3eb0IL3AAueI+4wZ7qm+YUSvniI5PFUi3R2CXQSf01y9yyC viZMTWN5TxZO/xlwGLvClNxiLcNRlbV92RSntS31UdA1k/b+6uAQm0OPgT+0MI5tlp5j ad4yVjy2+ZixlYKLllggDhq+ZFq/riKZFkY= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 34wdgvq59b-16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 19 Nov 2020 09:38:14 -0800 Received: from intmgw001.41.prn1.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:11d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Thu, 19 Nov 2020 09:38:02 -0800 Received: by devvm3388.prn0.facebook.com (Postfix, from userid 111017) id A8E9B145BCED; Thu, 19 Nov 2020 09:37:56 -0800 (PST) From: Roman Gushchin To: CC: , , , , , , , Subject: [PATCH bpf-next v7 11/34] bpf: refine memcg-based memory accounting for devmap maps Date: Thu, 19 Nov 2020 09:37:31 -0800 Message-ID: <20201119173754.4125257-12-guro@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201119173754.4125257-1-guro@fb.com> References: <20201119173754.4125257-1-guro@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-19_09:2020-11-19,2020-11-19 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 phishscore=0 adultscore=0 malwarescore=0 suspectscore=13 priorityscore=1501 bulkscore=0 impostorscore=0 spamscore=0 mlxlogscore=858 clxscore=1015 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011190125 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Include map metadata and the node size (struct bpf_dtab_netdev) into the accounting. Signed-off-by: Roman Gushchin --- kernel/bpf/devmap.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 2b5ca93c17de..a4dfe544946f 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -175,7 +175,7 @@ static struct bpf_map *dev_map_alloc(union bpf_attr *= attr) if (!capable(CAP_NET_ADMIN)) return ERR_PTR(-EPERM); =20 - dtab =3D kzalloc(sizeof(*dtab), GFP_USER); + dtab =3D kzalloc(sizeof(*dtab), GFP_USER | __GFP_ACCOUNT); if (!dtab) return ERR_PTR(-ENOMEM); =20 @@ -602,8 +602,9 @@ static struct bpf_dtab_netdev *__dev_map_alloc_node(s= truct net *net, struct bpf_prog *prog =3D NULL; struct bpf_dtab_netdev *dev; =20 - dev =3D kmalloc_node(sizeof(*dev), GFP_ATOMIC | __GFP_NOWARN, - dtab->map.numa_node); + dev =3D bpf_map_kmalloc_node(&dtab->map, sizeof(*dev), + GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT, + dtab->map.numa_node); if (!dev) return ERR_PTR(-ENOMEM); =20 --=20 2.26.2