[NET]: deinline 200+ byte inlines in sock.h

Sizes in bytes (allyesconfig, i386) and files where those inlines
are used:

238 sock_queue_rcv_skb 2.6.16/net/x25/x25_in.o
238 sock_queue_rcv_skb 2.6.16/net/rose/rose_in.o
238 sock_queue_rcv_skb 2.6.16/net/packet/af_packet.o
238 sock_queue_rcv_skb 2.6.16/net/netrom/nr_in.o
238 sock_queue_rcv_skb 2.6.16/net/llc/llc_sap.o
238 sock_queue_rcv_skb 2.6.16/net/llc/llc_conn.o
238 sock_queue_rcv_skb 2.6.16/net/irda/af_irda.o
238 sock_queue_rcv_skb 2.6.16/net/ipx/af_ipx.o
238 sock_queue_rcv_skb 2.6.16/net/ipv6/udp.o
238 sock_queue_rcv_skb 2.6.16/net/ipv6/raw.o
238 sock_queue_rcv_skb 2.6.16/net/ipv4/udp.o
238 sock_queue_rcv_skb 2.6.16/net/ipv4/raw.o
238 sock_queue_rcv_skb 2.6.16/net/ipv4/ipmr.o
238 sock_queue_rcv_skb 2.6.16/net/econet/econet.o
238 sock_queue_rcv_skb 2.6.16/net/econet/af_econet.o
238 sock_queue_rcv_skb 2.6.16/net/bluetooth/sco.o
238 sock_queue_rcv_skb 2.6.16/net/bluetooth/l2cap.o
238 sock_queue_rcv_skb 2.6.16/net/bluetooth/hci_sock.o
238 sock_queue_rcv_skb 2.6.16/net/ax25/ax25_in.o
238 sock_queue_rcv_skb 2.6.16/net/ax25/af_ax25.o
238 sock_queue_rcv_skb 2.6.16/net/appletalk/ddp.o
238 sock_queue_rcv_skb 2.6.16/drivers/net/pppoe.o

276 sk_receive_skb 2.6.16/net/decnet/dn_nsp_in.o
276 sk_receive_skb 2.6.16/net/dccp/ipv6.o
276 sk_receive_skb 2.6.16/net/dccp/ipv4.o
276 sk_receive_skb 2.6.16/net/dccp/dccp_ipv6.o
276 sk_receive_skb 2.6.16/drivers/net/pppoe.o

209 sk_dst_check 2.6.16/net/ipv6/ip6_output.o
209 sk_dst_check 2.6.16/net/ipv4/udp.o
209 sk_dst_check 2.6.16/net/decnet/dn_nsp_out.o

Large inlines with multiple callers:
Size  Uses Wasted Name and definition
===== ==== ====== ================================================
  238   21   4360 sock_queue_rcv_skb    include/net/sock.h
  109   10    801 sock_recv_timestamp   include/net/sock.h
  276    4    768 sk_receive_skb        include/net/sock.h
   94    8    518 __sk_dst_check        include/net/sock.h
  209    3    378 sk_dst_check  include/net/sock.h
  131    4    333 sk_setup_caps include/net/sock.h
  152    2    132 sk_stream_alloc_pskb  include/net/sock.h
  125    2    105 sk_stream_writequeue_purge    include/net/sock.h

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 97 insertions, 87 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index 2aa73c0ec6c2..af2b0544586e 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -938,28 +938,7 @@ static inline void sock_put(struct sock *sk)
                 sk_free(sk);
 }
 
-static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb)
-{
-        int rc = NET_RX_SUCCESS;
-
-        if (sk_filter(sk, skb, 0))
-                goto discard_and_relse;
-
-        skb->dev = NULL;
-
-        bh_lock_sock(sk);
-        if (!sock_owned_by_user(sk))
-                rc = sk->sk_backlog_rcv(sk, skb);
-        else
-                sk_add_backlog(sk, skb);
-        bh_unlock_sock(sk);
-out:
-        sock_put(sk);
-        return rc;
-discard_and_relse:
-        kfree_skb(skb);
-        goto out;
-}
+extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb);
 
 /* Detach socket from process context.
  * Announce socket dead, detach it from wait queue and inode.
@@ -1044,33 +1023,9 @@ sk_dst_reset(struct sock *sk)
         write_unlock(&sk->sk_dst_lock);
 }
 
-static inline struct dst_entry *
-__sk_dst_check(struct sock *sk, u32 cookie)
-{
-        struct dst_entry *dst = sk->sk_dst_cache;
-
-        if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
-                sk->sk_dst_cache = NULL;
-                dst_release(dst);
-                return NULL;
-        }
-
-        return dst;
-}
-
-static inline struct dst_entry *
-sk_dst_check(struct sock *sk, u32 cookie)
-{
-        struct dst_entry *dst = sk_dst_get(sk);
+extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
 
-        if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
-                sk_dst_reset(sk);
-                dst_release(dst);
-                return NULL;
-        }
-
-        return dst;
-}
+extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
 
 static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
 {
@@ -1140,45 +1095,7 @@ extern void sk_reset_timer(struct sock *sk, struct timer_list* timer,
 
 extern void sk_stop_timer(struct sock *sk, struct timer_list* timer);
 
-static inline int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
-{
-        int err = 0;
-        int skb_len;
-
-        /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
-           number of warnings when compiling with -W --ANK
-         */
-        if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
-            (unsigned)sk->sk_rcvbuf) {
-                err = -ENOMEM;
-                goto out;
-        }
-
-        /* It would be deadlock, if sock_queue_rcv_skb is used
-           with socket lock! We assume that users of this
-           function are lock free.
-        */
-        err = sk_filter(sk, skb, 1);
-        if (err)
-                goto out;
-
-        skb->dev = NULL;
-        skb_set_owner_r(skb, sk);
-
-        /* Cache the SKB length before we tack it onto the receive
-         * queue.  Once it is added it no longer belongs to us and
-         * may be freed by other threads of control pulling packets
-         * from the queue.
-         */
-        skb_len = skb->len;
-
-        skb_queue_tail(&sk->sk_receive_queue, skb);
-
-        if (!sock_flag(sk, SOCK_DEAD))
-                sk->sk_data_ready(sk, skb_len);
-out:
-        return err;
-}
+extern int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 
 static inline int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
 {
diff --git a/net/core/sock.c b/net/core/sock.c
index e110b9004147..a96ea7dd0fc1 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -187,6 +187,99 @@ static void sock_disable_timestamp(struct sock *sk)
 }
 
 
+int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+{
+        int err = 0;
+        int skb_len;
+
+        /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
+           number of warnings when compiling with -W --ANK
+         */
+        if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
+            (unsigned)sk->sk_rcvbuf) {
+                err = -ENOMEM;
+                goto out;
+        }
+
+        /* It would be deadlock, if sock_queue_rcv_skb is used
+           with socket lock! We assume that users of this
+           function are lock free.
+        */
+        err = sk_filter(sk, skb, 1);
+        if (err)
+                goto out;
+
+        skb->dev = NULL;
+        skb_set_owner_r(skb, sk);
+
+        /* Cache the SKB length before we tack it onto the receive
+         * queue.  Once it is added it no longer belongs to us and
+         * may be freed by other threads of control pulling packets
+         * from the queue.
+         */
+        skb_len = skb->len;
+
+        skb_queue_tail(&sk->sk_receive_queue, skb);
+
+        if (!sock_flag(sk, SOCK_DEAD))
+                sk->sk_data_ready(sk, skb_len);
+out:
+        return err;
+}
+EXPORT_SYMBOL(sock_queue_rcv_skb);
+
+int sk_receive_skb(struct sock *sk, struct sk_buff *skb)
+{
+        int rc = NET_RX_SUCCESS;
+
+        if (sk_filter(sk, skb, 0))
+                goto discard_and_relse;
+
+        skb->dev = NULL;
+
+        bh_lock_sock(sk);
+        if (!sock_owned_by_user(sk))
+                rc = sk->sk_backlog_rcv(sk, skb);
+        else
+                sk_add_backlog(sk, skb);
+        bh_unlock_sock(sk);
+out:
+        sock_put(sk);
+        return rc;
+discard_and_relse:
+        kfree_skb(skb);
+        goto out;
+}
+EXPORT_SYMBOL(sk_receive_skb);
+
+struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
+{
+        struct dst_entry *dst = sk->sk_dst_cache;
+
+        if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
+                sk->sk_dst_cache = NULL;
+                dst_release(dst);
+                return NULL;
+        }
+
+        return dst;
+}
+EXPORT_SYMBOL(__sk_dst_check);
+
+struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie)
+{
+        struct dst_entry *dst = sk_dst_get(sk);
+
+        if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
+                sk_dst_reset(sk);
+                dst_release(dst);
+                return NULL;
+        }
+
+        return dst;
+}
+EXPORT_SYMBOL(sk_dst_check);
+
 /*
  *      This is meant for all protocols to use and covers goings on
  *      at the socket level. Everything here is generic.