X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fstream.c;h=a6b3437ff082d9cf98b59bb754b409817f3b4597;hb=547b792cac0a038b9dbf958d3c120df3740b5572;hp=e9489696f694540bfb90d12aba6e1cd3c5dd1d57;hpb=35a5d9ed9fedb74c22cb19ff7d749289473144e0;p=linux-2.6-omap-h63xx.git

diff --git a/net/core/stream.c b/net/core/stream.c
index e9489696f69..a6b3437ff08 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -35,7 +35,7 @@ void sk_stream_write_space(struct sock *sk)
 		if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
 			wake_up_interruptible(sk->sk_sleep);
 		if (sock->fasync_list && !(sk->sk_shutdown & SEND_SHUTDOWN))
-			sock_wake_async(sock, 2, POLL_OUT);
+			sock_wake_async(sock, SOCK_WAKE_SPACE, POLL_OUT);
 	}
 }
 
@@ -69,7 +69,7 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
 		sk->sk_write_pending++;
 		done = sk_wait_event(sk, timeo_p,
 				     !sk->sk_err &&
-				     !((1 << sk->sk_state) & 
+				     !((1 << sk->sk_state) &
 				       ~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)));
 		finish_wait(sk->sk_sleep, &wait);
 		sk->sk_write_pending--;
@@ -139,7 +139,7 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
 
 		set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
 		sk->sk_write_pending++;
-		sk_wait_event(sk, &current_timeo, !sk->sk_err && 
+		sk_wait_event(sk, &current_timeo, !sk->sk_err &&
 						  !(sk->sk_shutdown & SEND_SHUTDOWN) &&
 						  sk_stream_memory_free(sk) &&
 						  vm_wait);
@@ -172,17 +172,6 @@ do_interrupted:
 
 EXPORT_SYMBOL(sk_stream_wait_memory);
 
-void sk_stream_rfree(struct sk_buff *skb)
-{
-	struct sock *sk = skb->sk;
-
-	skb_truesize_check(skb);
-	atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
-	sk->sk_forward_alloc += skb->truesize;
-}
-
-EXPORT_SYMBOL(sk_stream_rfree);
-
 int sk_stream_error(struct sock *sk, int flags, int err)
 {
 	if (err == -EPIPE)
@@ -194,78 +183,6 @@ int sk_stream_error(struct sock *sk, int flags, int err)
 
 EXPORT_SYMBOL(sk_stream_error);
 
-void __sk_stream_mem_reclaim(struct sock *sk)
-{
-	if (sk->sk_forward_alloc >= SK_STREAM_MEM_QUANTUM) {
-		atomic_sub(sk->sk_forward_alloc / SK_STREAM_MEM_QUANTUM,
-			   sk->sk_prot->memory_allocated);
-		sk->sk_forward_alloc &= SK_STREAM_MEM_QUANTUM - 1;
-		if (*sk->sk_prot->memory_pressure &&
-		    (atomic_read(sk->sk_prot->memory_allocated) <
-		     sk->sk_prot->sysctl_mem[0]))
-			*sk->sk_prot->memory_pressure = 0;
-	}
-}
-
-EXPORT_SYMBOL(__sk_stream_mem_reclaim);
-
-int sk_stream_mem_schedule(struct sock *sk, int size, int kind)
-{
-	int amt = sk_stream_pages(size);
-
-	sk->sk_forward_alloc += amt * SK_STREAM_MEM_QUANTUM;
-	atomic_add(amt, sk->sk_prot->memory_allocated);
-
-	/* Under limit. */
-	if (atomic_read(sk->sk_prot->memory_allocated) < sk->sk_prot->sysctl_mem[0]) {
-		if (*sk->sk_prot->memory_pressure)
-			*sk->sk_prot->memory_pressure = 0;
-		return 1;
-	}
-
-	/* Over hard limit. */
-	if (atomic_read(sk->sk_prot->memory_allocated) > sk->sk_prot->sysctl_mem[2]) {
-		sk->sk_prot->enter_memory_pressure();
-		goto suppress_allocation;
-	}
-
-	/* Under pressure. */
-	if (atomic_read(sk->sk_prot->memory_allocated) > sk->sk_prot->sysctl_mem[1])
-		sk->sk_prot->enter_memory_pressure();
-
-	if (kind) {
-		if (atomic_read(&sk->sk_rmem_alloc) < sk->sk_prot->sysctl_rmem[0])
-			return 1;
-	} else if (sk->sk_wmem_queued < sk->sk_prot->sysctl_wmem[0])
-		return 1;
-
-	if (!*sk->sk_prot->memory_pressure ||
-	    sk->sk_prot->sysctl_mem[2] > atomic_read(sk->sk_prot->sockets_allocated) *
-				sk_stream_pages(sk->sk_wmem_queued +
-						atomic_read(&sk->sk_rmem_alloc) +
-						sk->sk_forward_alloc))
-		return 1;
-
-suppress_allocation:
-
-	if (!kind) {
-		sk_stream_moderate_sndbuf(sk);
-
-		/* Fail only if socket is _under_ its sndbuf.
-		 * In this case we cannot block, so that we have to fail.
-		 */
-		if (sk->sk_wmem_queued + size >= sk->sk_sndbuf)
-			return 1;
-	}
-
-	/* Alas. Undo changes. */
-	sk->sk_forward_alloc -= amt * SK_STREAM_MEM_QUANTUM;
-	atomic_sub(amt, sk->sk_prot->memory_allocated);
-	return 0;
-}
-
-EXPORT_SYMBOL(sk_stream_mem_schedule);
-
 void sk_stream_kill_queues(struct sock *sk)
 {
 	/* First the read buffer. */
@@ -275,13 +192,13 @@ void sk_stream_kill_queues(struct sock *sk)
 	__skb_queue_purge(&sk->sk_error_queue);
 
 	/* Next, the write queue. */
-	BUG_TRAP(skb_queue_empty(&sk->sk_write_queue));
+	WARN_ON(!skb_queue_empty(&sk->sk_write_queue));
 
 	/* Account for returned memory. */
-	sk_stream_mem_reclaim(sk);
+	sk_mem_reclaim(sk);
 
-	BUG_TRAP(!sk->sk_wmem_queued);
-	BUG_TRAP(!sk->sk_forward_alloc);
+	WARN_ON(sk->sk_wmem_queued);
+	WARN_ON(sk->sk_forward_alloc);
 
 	/* It is _impossible_ for the backlog to contain anything
 	 * when we get here.  All user references to this socket