diff mbox series

[bpf-next,v4,07/30] bpf: refine memcg-based memory accounting for devmap maps

Message ID 20200821150134.2581465-8-guro@fb.com (mailing list archive)
State New, archived
Headers show
Series bpf: switch to memcg-based memory accounting | expand

Commit Message

Roman Gushchin Aug. 21, 2020, 3:01 p.m. UTC 
Include map metadata and the node size (struct bpf_dtab_netdev) on
element update into the accounting.

Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
---
 kernel/bpf/devmap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Comments

Shakeel Butt Aug. 27, 2020, 1:38 a.m. UTC | #1 
On Fri, Aug 21, 2020 at 8:18 AM Roman Gushchin <guro@fb.com> wrote:
>
> Include map metadata and the node size (struct bpf_dtab_netdev) on
> element update into the accounting.
>
> Signed-off-by: Roman Gushchin <guro@fb.com>
> Acked-by: Song Liu <songliubraving@fb.com>

Reviewed-by: Shakeel Butt <shakeelb@google.com>
diff mbox series

Patch

diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 10abb06065bb..05bf93088063 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -175,7 +175,7 @@  static struct bpf_map *dev_map_alloc(union bpf_attr *attr)
 	if (!capable(CAP_NET_ADMIN))
 		return ERR_PTR(-EPERM);
 
-	dtab = kzalloc(sizeof(*dtab), GFP_USER);
+	dtab = kzalloc(sizeof(*dtab), GFP_USER | __GFP_ACCOUNT);
 	if (!dtab)
 		return ERR_PTR(-ENOMEM);
 
@@ -603,7 +603,8 @@  static struct bpf_dtab_netdev *__dev_map_alloc_node(struct net *net,
 	struct bpf_prog *prog = NULL;
 	struct bpf_dtab_netdev *dev;
 
-	dev = kmalloc_node(sizeof(*dev), GFP_ATOMIC | __GFP_NOWARN,
+	dev = kmalloc_node(sizeof(*dev),
+			   GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT,
 			   dtab->map.numa_node);
 	if (!dev)
 		return ERR_PTR(-ENOMEM);