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=-20.2 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=unavailable 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 ED02BC83022 for ; Tue, 1 Dec 2020 22:00:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 978192086A for ; Tue, 1 Dec 2020 22:00:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="mzbhbKb/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403844AbgLAWAp (ORCPT ); Tue, 1 Dec 2020 17:00:45 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:64374 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390767AbgLAV77 (ORCPT ); Tue, 1 Dec 2020 16:59:59 -0500 Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B1Lmm75007452 for ; Tue, 1 Dec 2020 13:59:18 -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=rKGNszCW/P6dvmhm3p060mdAyE8dspU8E8AG4YPMM50=; b=mzbhbKb/acVHeWpwGpu4OGwmXYHgJ+0Xmh6xSJaTKDMnTLIpi/uYQe4THpXHucA8ANa9 CE7SK9+ORYztOGwxEuuQ/S/ayT06KDPH6XBL17QPlWNHyZlHahjPJ+09bBdKZ0+cxFjs BTNQQYg4pmwdk6mFVK8uv2oc4NFx+zQrPP0= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 3547psq7tb-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 01 Dec 2020 13:59:18 -0800 Received: from intmgw001.41.prn1.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:11d::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Tue, 1 Dec 2020 13:59:11 -0800 Received: by devvm3388.prn0.facebook.com (Postfix, from userid 111017) id B498119702D0; Tue, 1 Dec 2020 13:59:06 -0800 (PST) From: Roman Gushchin To: CC: , , , , , , , Subject: [PATCH bpf-next v9 25/34] bpf: eliminate rlimit-based memory accounting for queue_stack_maps maps Date: Tue, 1 Dec 2020 13:58:51 -0800 Message-ID: <20201201215900.3569844-26-guro@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201201215900.3569844-1-guro@fb.com> References: <20201201215900.3569844-1-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=2020-12-01_11:2020-11-30,2020-12-01 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 impostorscore=0 mlxscore=0 malwarescore=0 spamscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 adultscore=0 suspectscore=13 lowpriorityscore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012010131 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do not use rlimit-based memory accounting for queue_stack maps. It has been replaced with the memcg-based memory accounting. Signed-off-by: Roman Gushchin Acked-by: Song Liu --- kernel/bpf/queue_stack_maps.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.= c index 0ee2347ba510..f9c734aaa990 100644 --- a/kernel/bpf/queue_stack_maps.c +++ b/kernel/bpf/queue_stack_maps.c @@ -66,29 +66,21 @@ static int queue_stack_map_alloc_check(union bpf_attr= *attr) =20 static struct bpf_map *queue_stack_map_alloc(union bpf_attr *attr) { - int ret, numa_node =3D bpf_map_attr_numa_node(attr); - struct bpf_map_memory mem =3D {0}; + int numa_node =3D bpf_map_attr_numa_node(attr); struct bpf_queue_stack *qs; - u64 size, queue_size, cost; + u64 size, queue_size; =20 size =3D (u64) attr->max_entries + 1; - cost =3D queue_size =3D sizeof(*qs) + size * attr->value_size; - - ret =3D bpf_map_charge_init(&mem, cost); - if (ret < 0) - return ERR_PTR(ret); + queue_size =3D sizeof(*qs) + size * attr->value_size; =20 qs =3D bpf_map_area_alloc(queue_size, numa_node); - if (!qs) { - bpf_map_charge_finish(&mem); + if (!qs) return ERR_PTR(-ENOMEM); - } =20 memset(qs, 0, sizeof(*qs)); =20 bpf_map_init_from_attr(&qs->map, attr); =20 - bpf_map_charge_move(&qs->map.memory, &mem); qs->size =3D size; =20 raw_spin_lock_init(&qs->lock); --=20 2.26.2