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| author | Xin Long <lucien.xin@gmail.com> | 2019-04-15 17:15:07 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-04-15 13:36:51 -0700 |
| commit | 9dde27de3e5efa0d032f3c891a0ca833a0d31911 (patch) | |
| tree | baba7e7942d6e6a3162db024a2995f306d0afad4 /include/net/sctp | |
| parent | 1033990ac5b2ab6cee93734cb6d301aa3a35bcaa (diff) | |
| download | linux-9dde27de3e5efa0d032f3c891a0ca833a0d31911.tar.bz2 | |
sctp: implement memory accounting on rx path
sk_forward_alloc's updating is also done on rx path, but to be consistent
we change to use sk_mem_charge() in sctp_skb_set_owner_r().
In sctp_eat_data(), it's not enough to check sctp_memory_pressure only,
which doesn't work for mem_cgroup_sockets_enabled, so we change to use
sk_under_memory_pressure().
When it's under memory pressure, sk_mem_reclaim() and sk_rmem_schedule()
should be called on both RENEGE or CHUNK DELIVERY path exit the memory
pressure status as soon as possible.
Note that sk_rmem_schedule() is using datalen to make things easy there.
Reported-by: Matteo Croce <mcroce@redhat.com>
Tested-by: Matteo Croce <mcroce@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp')
| -rw-r--r-- | include/net/sctp/sctp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 1d13ec3f2707..eefdfa5abf6e 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -421,7 +421,7 @@ static inline void sctp_skb_set_owner_r(struct sk_buff *skb, struct sock *sk) /* * This mimics the behavior of skb_set_owner_r */ - sk->sk_forward_alloc -= event->rmem_len; + sk_mem_charge(sk, event->rmem_len); } /* Tests if the list has one and only one entry. */ |