From patchwork Tue Nov 17 02:55:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Gushchin X-Patchwork-Id: 325075 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=-10.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY, 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 DED75C388F9 for ; Tue, 17 Nov 2020 02:59:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A31124694 for ; Tue, 17 Nov 2020 02:59:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="b5ddyzug" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728024AbgKQC6d (ORCPT ); Mon, 16 Nov 2020 21:58:33 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:34438 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726855AbgKQCzk (ORCPT ); Mon, 16 Nov 2020 21:55:40 -0500 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.42/8.16.0.42) with SMTP id 0AH2nP3e026471 for ; Mon, 16 Nov 2020 18:55:39 -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=euFtJf9qELDc8KOD1plGWsm6ggpX0hlOV/JGxpx7QWg=; b=b5ddyzugzbNcsiK+Gjy0V+X2wzAEpyOWhVX+70xpgvyX6TONrnPlbYj7+yEBq0D6lfKE QULNCqh4Bx/a15o47ykS4KjVk2a3f93+xvFFzgBmeYPVG3vcX8zEgiQkakACZv0qWKSg /8lfVTcypjUrAk+/OPGVqxL21b9dHl9RZg4= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net with ESMTP id 34tbm4una8-11 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 16 Nov 2020 18:55:39 -0800 Received: from intmgw001.41.prn1.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:11d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 16 Nov 2020 18:55:37 -0800 Received: by devvm3388.prn0.facebook.com (Postfix, from userid 111017) id D7C2CC5F7D2; Mon, 16 Nov 2020 18:55:33 -0800 (PST) From: Roman Gushchin To: CC: , , , , , , , Subject: [PATCH v6 10/34] bpf: memcg-based memory accounting for cgroup storage maps Date: Mon, 16 Nov 2020 18:55:05 -0800 Message-ID: <20201117025529.1034387-11-guro@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201117025529.1034387-1-guro@fb.com> References: <20201117025529.1034387-1-guro@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-11-16_13:2020-11-13,2020-11-16 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 spamscore=0 mlxscore=0 mlxlogscore=999 bulkscore=0 suspectscore=13 malwarescore=0 phishscore=0 impostorscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011170022 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Account memory used by cgroup storage maps including metadata structures. Account the percpu memory for the percpu flavor of cgroup storage. Signed-off-by: Roman Gushchin Acked-by: Song Liu --- kernel/bpf/local_storage.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/kernel/bpf/local_storage.c b/kernel/bpf/local_storage.c index 571bb351ed3b..212d6dbbc39a 100644 --- a/kernel/bpf/local_storage.c +++ b/kernel/bpf/local_storage.c @@ -166,7 +166,8 @@ static int cgroup_storage_update_elem(struct bpf_map *map, void *key, new = kmalloc_node(sizeof(struct bpf_storage_buffer) + map->value_size, - __GFP_ZERO | GFP_ATOMIC | __GFP_NOWARN, + __GFP_ZERO | GFP_ATOMIC | __GFP_NOWARN | + __GFP_ACCOUNT, map->numa_node); if (!new) return -ENOMEM; @@ -313,7 +314,7 @@ static struct bpf_map *cgroup_storage_map_alloc(union bpf_attr *attr) return ERR_PTR(ret); map = kmalloc_node(sizeof(struct bpf_cgroup_storage_map), - __GFP_ZERO | GFP_USER, numa_node); + __GFP_ZERO | GFP_USER | __GFP_ACCOUNT, numa_node); if (!map) { bpf_map_charge_finish(&mem); return ERR_PTR(-ENOMEM); @@ -496,9 +497,9 @@ static size_t bpf_cgroup_storage_calculate_size(struct bpf_map *map, u32 *pages) struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { + const gfp_t gfp = __GFP_ZERO | GFP_USER | __GFP_ACCOUNT; struct bpf_cgroup_storage *storage; struct bpf_map *map; - gfp_t flags; size_t size; u32 pages; @@ -511,20 +512,18 @@ struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, if (bpf_map_charge_memlock(map, pages)) return ERR_PTR(-EPERM); - storage = kmalloc_node(sizeof(struct bpf_cgroup_storage), - __GFP_ZERO | GFP_USER, map->numa_node); + storage = kmalloc_node(sizeof(struct bpf_cgroup_storage), gfp, + map->numa_node); if (!storage) goto enomem; - flags = __GFP_ZERO | GFP_USER; - if (stype == BPF_CGROUP_STORAGE_SHARED) { - storage->buf = kmalloc_node(size, flags, map->numa_node); + storage->buf = kmalloc_node(size, gfp, map->numa_node); if (!storage->buf) goto enomem; check_and_init_map_lock(map, storage->buf->data); } else { - storage->percpu_buf = __alloc_percpu_gfp(size, 8, flags); + storage->percpu_buf = __alloc_percpu_gfp(size, 8, gfp); if (!storage->percpu_buf) goto enomem; }