diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index bef844127e01..ad8a4bc84126 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2076,6 +2076,26 @@ int sock_cmsg_send(struct sock *sk, struct msghdr *msg, } EXPORT_SYMBOL(sock_cmsg_send); +static void sk_enter_memory_pressure(struct sock *sk) +{ + if (!sk->sk_prot->enter_memory_pressure) + return; + + sk->sk_prot->enter_memory_pressure(sk); +} + +static void sk_leave_memory_pressure(struct sock *sk) +{ + if (sk->sk_prot->leave_memory_pressure) { + sk->sk_prot->leave_memory_pressure(sk); + } else { + unsigned long *memory_pressure = sk->sk_prot->memory_pressure; + + if (memory_pressure && *memory_pressure) + *memory_pressure = 0; + } +} + /* On 32bit arches, an skb frag is limited to 2^15 */ #define SKB_FRAG_PAGE_ORDER get_order(32768) |