diff mbox series

[bpf-next,v7,16/34] bpf: refine memcg-based memory accounting for sockmap and sockhash maps

Message ID 20201119173754.4125257-17-guro@fb.com (mailing list archive)
State New, archived
Headers show
Series bpf: switch to memcg-based memory accounting | expand

Commit Message

Roman Gushchin Nov. 19, 2020, 5:37 p.m. UTC 
Include internal metadata into the memcg-based memory accounting.
Also include the memory allocated on updating an element.

Signed-off-by: Roman Gushchin <guro@fb.com>
---
 net/core/sock_map.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Comments

Song Liu Nov. 20, 2020, 1:45 a.m. UTC | #1 
> On Nov 19, 2020, at 9:37 AM, Roman Gushchin <guro@fb.com> wrote:
> 
> Include internal metadata into the memcg-based memory accounting.
> Also include the memory allocated on updating an element.
> 
> Signed-off-by: Roman Gushchin <guro@fb.com>

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

Patch

diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index ddc899e83313..3ff635af737a 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -39,7 +39,7 @@  static struct bpf_map *sock_map_alloc(union bpf_attr *attr)
 	    attr->map_flags & ~SOCK_CREATE_FLAG_MASK)
 		return ERR_PTR(-EINVAL);
 
-	stab = kzalloc(sizeof(*stab), GFP_USER);
+	stab = kzalloc(sizeof(*stab), GFP_USER | __GFP_ACCOUNT);
 	if (!stab)
 		return ERR_PTR(-ENOMEM);
 
@@ -975,8 +975,9 @@  static struct bpf_shtab_elem *sock_hash_alloc_elem(struct bpf_shtab *htab,
 		}
 	}
 
-	new = kmalloc_node(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN,
-			   htab->map.numa_node);
+	new = bpf_map_kmalloc_node(&htab->map, htab->elem_size,
+				   GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT,
+				   htab->map.numa_node);
 	if (!new) {
 		atomic_dec(&htab->count);
 		return ERR_PTR(-ENOMEM);
@@ -1116,7 +1117,7 @@  static struct bpf_map *sock_hash_alloc(union bpf_attr *attr)
 	if (attr->key_size > MAX_BPF_STACK)
 		return ERR_PTR(-E2BIG);
 
-	htab = kzalloc(sizeof(*htab), GFP_USER);
+	htab = kzalloc(sizeof(*htab), GFP_USER | __GFP_ACCOUNT);
 	if (!htab)
 		return ERR_PTR(-ENOMEM);