diff options
| author | Pavel Emelyanov <xemul@openvz.org> | 2008-07-17 07:28:10 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-17 07:28:10 +0400 |
| commit | 5c52ba170f8167511bdb65b981f4582100c40675 (patch) | |
| tree | 1dab120003eb696dfb4ca18c40861274a317739d | |
| parent | cf1100a7a4f2573f50f9a923b53373977328e3c8 (diff) | |
| download | linux-5c52ba170f8167511bdb65b981f4582100c40675.tar.xz | |
sock: add net to prot->enter_memory_pressure callback
The tcp_enter_memory_pressure calls NET_INC_STATS, but doesn't
have where to get the net from.
I decided to add a sk argument, not the net itself, only to factor
all the required sock_net(sk) calls inside the enter_memory_pressure
callback itself.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sock.h | 4 | ||||
| -rw-r--r-- | include/net/tcp.h | 2 | ||||
| -rw-r--r-- | net/core/sock.c | 2 | ||||
| -rw-r--r-- | net/decnet/af_decnet.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 4 | ||||
| -rw-r--r-- | net/sctp/socket.c | 2 |
6 files changed, 8 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 3f4897ab432e..06c5259aff30 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -565,7 +565,7 @@ struct proto { #endif /* Memory pressure */ - void (*enter_memory_pressure)(void); + void (*enter_memory_pressure)(struct sock *sk); atomic_t *memory_allocated; /* Current allocated memory. */ atomic_t *sockets_allocated; /* Current number of sockets. */ /* @@ -1210,7 +1210,7 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk) page = alloc_pages(sk->sk_allocation, 0); if (!page) { - sk->sk_prot->enter_memory_pressure(); + sk->sk_prot->enter_memory_pressure(sk); sk_stream_moderate_sndbuf(sk); } return page; diff --git a/include/net/tcp.h b/include/net/tcp.h index 4d788181654e..c25cb5278b95 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -975,7 +975,7 @@ static inline void tcp_openreq_init(struct request_sock *req, ireq->rmt_port = tcp_hdr(skb)->source; } -extern void tcp_enter_memory_pressure(void); +extern void tcp_enter_memory_pressure(struct sock *sk); static inline int keepalive_intvl_when(const struct tcp_sock *tp) { diff --git a/net/core/sock.c b/net/core/sock.c index 2c0ba52e5303..10a64d57078c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1442,7 +1442,7 @@ int __sk_mem_schedule(struct sock *sk, int size, int kind) /* Under pressure. */ if (allocated > prot->sysctl_mem[1]) if (prot->enter_memory_pressure) - prot->enter_memory_pressure(); + prot->enter_memory_pressure(sk); /* Over hard limit. */ if (allocated > prot->sysctl_mem[2]) diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 931bdf9cb756..61b7df577ddd 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -451,7 +451,7 @@ static void dn_destruct(struct sock *sk) static int dn_memory_pressure; -static void dn_enter_memory_pressure(void) +static void dn_enter_memory_pressure(struct sock *sk) { if (!dn_memory_pressure) { dn_memory_pressure = 1; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 525dcf534153..bc8559a6f7e5 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -316,7 +316,7 @@ int tcp_memory_pressure __read_mostly; EXPORT_SYMBOL(tcp_memory_pressure); -void tcp_enter_memory_pressure(void) +void tcp_enter_memory_pressure(struct sock *sk) { if (!tcp_memory_pressure) { NET_INC_STATS(LINUX_MIB_TCPMEMORYPRESSURES); @@ -649,7 +649,7 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp) } __kfree_skb(skb); } else { - sk->sk_prot->enter_memory_pressure(); + sk->sk_prot->enter_memory_pressure(sk); sk_stream_moderate_sndbuf(sk); } return NULL; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index df5572c39f0c..6aba01b0ce4e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -116,7 +116,7 @@ static int sctp_memory_pressure; static atomic_t sctp_memory_allocated; static atomic_t sctp_sockets_allocated; -static void sctp_enter_memory_pressure(void) +static void sctp_enter_memory_pressure(struct sock *sk) { sctp_memory_pressure = 1; } |