linux-kernel - [PATCH bpf-next v4 13/30] bpf: refine memcg-based memory accounting for xskmap maps

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Message-ID: <20200821150134.2581465-14-guro@fb.com>
Date:   Fri, 21 Aug 2020 08:01:17 -0700
From:   Roman Gushchin <guro@...com>
To:     <bpf@...r.kernel.org>
CC:     <netdev@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com>,
        <linux-kernel@...r.kernel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Shakeel Butt <shakeelb@...gle.com>, <linux-mm@...ck.org>,
        Roman Gushchin <guro@...com>, Song Liu <songliubraving@...com>
Subject: [PATCH bpf-next v4 13/30] bpf: refine memcg-based memory accounting for xskmap maps

Extend xskmap memory accounting to include the memory taken by
the xsk_map_node structure.

Signed-off-by: Roman Gushchin <guro@...com>
Acked-by: Song Liu <songliubraving@...com>
---
 net/xdp/xskmap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/xdp/xskmap.c b/net/xdp/xskmap.c
index 8367adbbe9df..e574b22defe5 100644
--- a/net/xdp/xskmap.c
+++ b/net/xdp/xskmap.c
@@ -28,7 +28,8 @@ static struct xsk_map_node *xsk_map_node_alloc(struct xsk_map *map,
 	struct xsk_map_node *node;
 	int err;
 
-	node = kzalloc(sizeof(*node), GFP_ATOMIC | __GFP_NOWARN);
+	node = kzalloc(sizeof(*node),
+		       GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT);
 	if (!node)
 		return ERR_PTR(-ENOMEM);
 
-- 
2.26.2