diff mbox series

[bpf-next,v5,15/34] bpf: memcg-based memory accounting for bpf local storage maps

Message ID 20201112221543.3621014-16-guro@fb.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series bpf: switch to memcg-based memory accounting | expand

Commit Message

Roman Gushchin Nov. 12, 2020, 10:15 p.m. UTC 
Account memory used by bpf local storage maps:
per-socket and per-inode storages.

Signed-off-by: Roman Gushchin <guro@fb.com>
---
 kernel/bpf/bpf_local_storage.c | 7 ++++---
 net/core/bpf_sk_storage.c      | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

Comments

Song Liu Nov. 13, 2020, 6:07 p.m. UTC | #1 
> On Nov 12, 2020, at 2:15 PM, Roman Gushchin <guro@fb.com> wrote:
> 
> Account memory used by bpf local storage maps:
> per-socket and per-inode storages.
> 
> Signed-off-by: Roman Gushchin <guro@fb.com>

Acked-by: Song Liu <songliubraving@fb.com>

[...]
diff mbox series

Patch

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);