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Thu, 12 Nov 2020 14:36:30 -0800 Received: by devvm3388.prn0.facebook.com (Postfix, from userid 111017) id 18806A7D207; Thu, 12 Nov 2020 14:16:01 -0800 (PST) From: Roman Gushchin To: CC: Alexei Starovoitov , Daniel Borkmann , , Andrii Nakryiko , Shakeel Butt , , , , Roman Gushchin Subject: [PATCH bpf-next v5 15/34] bpf: memcg-based memory accounting for bpf local storage maps Date: Thu, 12 Nov 2020 14:15:24 -0800 Message-ID: <20201112221543.3621014-16-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 X-FB-Internal: Safe 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 adultscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=914 bulkscore=0 phishscore=0 suspectscore=13 spamscore=0 clxscore=1015 mlxscore=0 impostorscore=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: Account memory used by bpf local storage maps: per-socket and per-inode storages. Signed-off-by: Roman Gushchin Acked-by: Song Liu --- kernel/bpf/bpf_local_storage.c | 7 ++++--- net/core/bpf_sk_storage.c | 2 +- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/kernel/bpf/bpf_local_storage.c b/kernel/bpf/bpf_local_storage.c index 5d3a7af9ba9b..fd4f9ac1d042 100644 --- a/kernel/bpf/bpf_local_storage.c +++ b/kernel/bpf/bpf_local_storage.c @@ -67,7 +67,8 @@ bpf_selem_alloc(struct bpf_local_storage_map *smap, void *owner, if (charge_mem && mem_charge(smap, owner, 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); @@ -546,7 +547,7 @@ struct bpf_local_storage_map *bpf_local_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); @@ -564,7 +565,7 @@ struct bpf_local_storage_map *bpf_local_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); diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c index c907f0dc7f87..1d9704bb2eca 100644 --- a/net/core/bpf_sk_storage.c +++ b/net/core/bpf_sk_storage.c @@ -453,7 +453,7 @@ bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs) } diag = kzalloc(sizeof(*diag) + sizeof(diag->maps[0]) * nr_maps, - GFP_KERNEL); + GFP_KERNEL_ACCOUNT); if (!diag) return ERR_PTR(-ENOMEM);