diff mbox series

[bpf-next,v2,10/35] bpf: memcg-based memory accounting for socket storage maps

Message ID 20200727184506.2279656-11-guro@fb.com
State Changes Requested
Delegated to: BPF Maintainers
Headers show
Series bpf: switch to memcg-based memory accounting | expand

Commit Message

Roman Gushchin July 27, 2020, 6:44 p.m. UTC
Account memory used by the socket storage.

Signed-off-by: Roman Gushchin <guro@fb.com>
---
 net/core/bpf_sk_storage.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

Comments

Song Liu July 27, 2020, 11:57 p.m. UTC | #1
On Mon, Jul 27, 2020 at 12:28 PM Roman Gushchin <guro@fb.com> wrote:
>
> Account memory used by the socket storage.
>
> Signed-off-by: Roman Gushchin <guro@fb.com>

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

> ---
>  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 eafcd15e7dfd..fbcd03cd00d3 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);
> @@ -1024,7 +1026,7 @@ 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);
>
> --
> 2.26.2
>
diff mbox series

Patch

diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
index eafcd15e7dfd..fbcd03cd00d3 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);
@@ -1024,7 +1026,7 @@  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);