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Fri, 21 Aug 2020 08:11:46 -0700 Received: by devvm1096.prn0.facebook.com (Postfix, from userid 111017) id 5D348344105B; Fri, 21 Aug 2020 08:01:35 -0700 (PDT) Smtp-Origin-Hostprefix: devvm From: Roman Gushchin Smtp-Origin-Hostname: devvm1096.prn0.facebook.com To: CC: , Alexei Starovoitov , Daniel Borkmann , , , Johannes Weiner , Shakeel Butt , , Roman Gushchin , Song Liu Smtp-Origin-Cluster: prn0c01 Subject: [PATCH bpf-next v4 11/30] bpf: memcg-based memory accounting for socket storage maps Date: Fri, 21 Aug 2020 08:01:15 -0700 Message-ID: <20200821150134.2581465-12-guro@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200821150134.2581465-1-guro@fb.com> References: <20200821150134.2581465-1-guro@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-21_08:2020-08-21,2020-08-21 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxlogscore=999 spamscore=0 mlxscore=0 clxscore=1015 suspectscore=13 adultscore=0 bulkscore=0 impostorscore=0 phishscore=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008210143 X-FB-Internal: deliver X-Rspamd-Queue-Id: 9AE2F28A4E8 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 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: Account memory used by the socket storage. Signed-off-by: Roman Gushchin Acked-by: Song Liu --- net/core/bpf_sk_storage.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c index b988f48153a4..806b7a9f836e 100644 --- a/net/core/bpf_sk_storage.c +++ b/net/core/bpf_sk_storage.c @@ -130,7 +130,8 @@ static struct bpf_sk_storage_elem *selem_alloc(struct bpf_sk_storage_map *smap, if (charge_omem && omem_charge(sk, smap->elem_size)) return NULL; - selem = kzalloc(smap->elem_size, GFP_ATOMIC | __GFP_NOWARN); + selem = kzalloc(smap->elem_size, + GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT); if (selem) { if (value) memcpy(SDATA(selem)->data, value, smap->map.value_size); @@ -337,7 +338,8 @@ static int sk_storage_alloc(struct sock *sk, if (err) return err; - sk_storage = kzalloc(sizeof(*sk_storage), GFP_ATOMIC | __GFP_NOWARN); + sk_storage = kzalloc(sizeof(*sk_storage), + GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT); if (!sk_storage) { err = -ENOMEM; goto uncharge; @@ -677,7 +679,7 @@ static struct bpf_map *bpf_sk_storage_map_alloc(union bpf_attr *attr) u64 cost; int ret; - smap = kzalloc(sizeof(*smap), GFP_USER | __GFP_NOWARN); + smap = kzalloc(sizeof(*smap), GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT); if (!smap) return ERR_PTR(-ENOMEM); bpf_map_init_from_attr(&smap->map, attr); @@ -695,7 +697,7 @@ static struct bpf_map *bpf_sk_storage_map_alloc(union bpf_attr *attr) } smap->buckets = kvcalloc(sizeof(*smap->buckets), nbuckets, - GFP_USER | __GFP_NOWARN); + GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT); if (!smap->buckets) { bpf_map_charge_finish(&smap->map.memory); kfree(smap); @@ -1034,7 +1036,7 @@ bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs) } diag = kzalloc(sizeof(*diag) + sizeof(diag->maps[0]) * nr_maps, - GFP_KERNEL); + GFP_KERNEL | __GFP_ACCOUNT); if (!diag) return ERR_PTR(-ENOMEM);