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=-12.8 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, 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 F1879C388F7 for ; Thu, 12 Nov 2020 22:36:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 732592223F for ; Thu, 12 Nov 2020 22:36:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="HhS2ywCN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 732592223F Authentication-Results: mail.kernel.org; dmarc=fail (p=reject 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 172EC6B0075; Thu, 12 Nov 2020 17:36:34 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 05E076B007B; Thu, 12 Nov 2020 17:36:34 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E68F76B0078; Thu, 12 Nov 2020 17:36:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0201.hostedemail.com [216.40.44.201]) by kanga.kvack.org (Postfix) with ESMTP id A70636B0073 for ; Thu, 12 Nov 2020 17:36:33 -0500 (EST) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 5091D3623 for ; Thu, 12 Nov 2020 22:36:33 +0000 (UTC) X-FDA: 77477226666.13.bird12_2c11a5e2730a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin13.hostedemail.com (Postfix) with ESMTP id 318CF18140B67 for ; Thu, 12 Nov 2020 22:36:33 +0000 (UTC) X-HE-Tag: bird12_2c11a5e2730a X-Filterd-Recvd-Size: 5590 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Thu, 12 Nov 2020 22:36:32 +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 0ACMOArF007594 for ; Thu, 12 Nov 2020 14:36:31 -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=ar3zhSQ7FL0n3uAoDgrGU596OIP5AB4Ydgi74H1c8dM=; b=HhS2ywCNDGA/QidTxeO/9R18B+49+5saq9+BSunEJWSl18/Zh8mUXBpA9u8+JXTJpRCW tB84LmXE4XEmFyGtarI0+75ojXk+b1KsDiMjeEbWGZ6GDwrzYc0vfm8v24o80+42itTW FQdIcYuSMNXY/FZOOAeBI7ILQmJZk3MqkHk= Received: from maileast.thefacebook.com ([163.114.130.16]) by m0001303.ppops.net with ESMTP id 34rva9drhy-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 12 Nov 2020 14:36:31 -0800 Received: from intmgw003.06.prn3.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::e) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Thu, 12 Nov 2020 14:36:30 -0800 Received: by devvm3388.prn0.facebook.com (Postfix, from userid 111017) id 08C1AA7D1FB; Thu, 12 Nov 2020 14:16:01 -0800 (PST) From: Roman Gushchin To: CC: Alexei Starovoitov , Daniel Borkmann , , Andrii Nakryiko , Shakeel Butt , , , , Roman Gushchin , Song Liu Subject: [PATCH bpf-next v5 12/34] bpf: refine memcg-based memory accounting for hashtab maps Date: Thu, 12 Nov 2020 14:15:21 -0800 Message-ID: <20201112221543.3621014-13-guro@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201112221543.3621014-1-guro@fb.com> References: <20201112221543.3621014-1-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=2020-11-12_14:2020-11-12,2020-11-12 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxlogscore=999 malwarescore=0 clxscore=1015 spamscore=0 priorityscore=1501 suspectscore=38 phishscore=0 adultscore=0 impostorscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011120127 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: Include percpu objects and the size of map metadata into the accounting. Signed-off-by: Roman Gushchin Acked-by: Song Liu Reviewed-by: Shakeel Butt --- kernel/bpf/hashtab.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 7bf18d92af41..a647263b87fa 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -289,10 +289,11 @@ static int prealloc_init(struct bpf_htab *htab) goto skip_percpu_elems; =20 for (i =3D 0; i < num_entries; i++) { + const gfp_t gfp =3D GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT; u32 size =3D round_up(htab->map.value_size, 8); void __percpu *pptr; =20 - pptr =3D __alloc_percpu_gfp(size, 8, GFP_USER | __GFP_NOWARN); + pptr =3D __alloc_percpu_gfp(size, 8, gfp); if (!pptr) goto free_elems; htab_elem_set_ptr(get_htab_elem(htab, i), htab->map.key_size, @@ -347,7 +348,7 @@ static int alloc_extra_elems(struct bpf_htab *htab) int cpu; =20 pptr =3D __alloc_percpu_gfp(sizeof(struct htab_elem *), 8, - GFP_USER | __GFP_NOWARN); + GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT); if (!pptr) return -ENOMEM; =20 @@ -444,7 +445,7 @@ static struct bpf_map *htab_map_alloc(union bpf_attr = *attr) int err, i; u64 cost; =20 - htab =3D kzalloc(sizeof(*htab), GFP_USER); + htab =3D kzalloc(sizeof(*htab), GFP_USER | __GFP_ACCOUNT); if (!htab) return ERR_PTR(-ENOMEM); =20 @@ -866,6 +867,7 @@ static struct htab_elem *alloc_htab_elem(struct bpf_h= tab *htab, void *key, bool percpu, bool onallcpus, struct htab_elem *old_elem) { + const gfp_t gfp =3D GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT; u32 size =3D htab->map.value_size; bool prealloc =3D htab_is_prealloc(htab); struct htab_elem *l_new, **pl_new; @@ -899,8 +901,7 @@ static struct htab_elem *alloc_htab_elem(struct bpf_h= tab *htab, void *key, l_new =3D ERR_PTR(-E2BIG); goto dec_count; } - l_new =3D kmalloc_node(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN, - htab->map.numa_node); + l_new =3D kmalloc_node(htab->elem_size, gfp, htab->map.numa_node); if (!l_new) { l_new =3D ERR_PTR(-ENOMEM); goto dec_count; @@ -916,8 +917,7 @@ static struct htab_elem *alloc_htab_elem(struct bpf_h= tab *htab, void *key, pptr =3D htab_elem_get_ptr(l_new, key_size); } else { /* alloc_percpu zero-fills */ - pptr =3D __alloc_percpu_gfp(size, 8, - GFP_ATOMIC | __GFP_NOWARN); + pptr =3D __alloc_percpu_gfp(size, 8, gfp); if (!pptr) { kfree(l_new); l_new =3D ERR_PTR(-ENOMEM); --=20 2.26.2