Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/kern/uipc_socket.c,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/kern/uipc_socket.c,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.205.2.1
retrieving revision 1.206
diff -u -p -r1.205.2.1 -r1.206
--- src/sys/kern/uipc_socket.c	2012/04/17 00:08:30	1.205.2.1
+++ src/sys/kern/uipc_socket.c	2011/12/20 23:56:28	1.206
@@ -1,4 +1,4 @@
-/*	$NetBSD: uipc_socket.c,v 1.205.2.1 2012/04/17 00:08:30 yamt Exp $	*/
+/*	$NetBSD: uipc_socket.c,v 1.206 2011/12/20 23:56:28 christos Exp $	*/
 
 /*-
  * Copyright (c) 2002, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -63,7 +63,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.205.2.1 2012/04/17 00:08:30 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.206 2011/12/20 23:56:28 christos Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_sock_counters.h"
@@ -136,6 +136,8 @@ EVCNT_ATTACH_STATIC(sosend_kvalimit);
 
 #endif /* SOSEND_COUNTERS */
 
+static struct callback_entry sokva_reclaimerentry;
+
 #if defined(SOSEND_NO_LOAN) || defined(MULTIPROCESSOR)
 int sock_loan_thresh = -1;
 #else
@@ -197,7 +199,7 @@ sokvaunreserve(vsize_t len)
  */
 
 vaddr_t
-sokvaalloc(vaddr_t sva, vsize_t len, struct socket *so)
+sokvaalloc(vsize_t len, struct socket *so)
 {
 	vaddr_t lva;
 
@@ -212,8 +214,7 @@ sokvaalloc(vaddr_t sva, vsize_t len, str
 	 * allocate kva.
 	 */
 
-	lva = uvm_km_alloc(kernel_map, len, atop(sva) & uvmexp.colormask,
-	    UVM_KMF_COLORMATCH | UVM_KMF_VAONLY | UVM_KMF_WAITVA);
+	lva = uvm_km_alloc(kernel_map, len, 0, UVM_KMF_VAONLY | UVM_KMF_WAITVA);
 	if (lva == 0) {
 		sokvaunreserve(len);
 		return (0);
@@ -350,7 +351,7 @@ sosend_loan(struct socket *so, struct ui
 
 	KASSERT(npgs <= M_EXT_MAXPAGES);
 
-	lva = sokvaalloc(sva, len, so);
+	lva = sokvaalloc(len, so);
 	if (lva == 0)
 		return 0;
 
@@ -383,6 +384,19 @@ sosend_loan(struct socket *so, struct ui
 	return (space);
 }
 
+static int
+sokva_reclaim_callback(struct callback_entry *ce, void *obj, void *arg)
+{
+
+	KASSERT(ce == &sokva_reclaimerentry);
+	KASSERT(obj == NULL);
+
+	if (!vm_map_starved_p(kernel_map)) {
+		return CALLBACK_CHAIN_ABORT;
+	}
+	return CALLBACK_CHAIN_CONTINUE;
+}
+
 struct mbuf *
 getsombuf(struct socket *so, int type)
 {
@@ -465,6 +479,9 @@ soinit(void)
 	if (sb_max_set(sb_max))
 		panic("bad initial sb_max value: %lu", sb_max);
 
+	callback_register(&vm_map_to_kernel(kernel_map)->vmk_reclaim_callback,
+	    &sokva_reclaimerentry, NULL, sokva_reclaim_callback);
+
 	socket_listener = kauth_listen_scope(KAUTH_SCOPE_NETWORK,
 	    socket_listener_cb, NULL);
 }
@@ -572,8 +589,7 @@ fsocreate(int domain, struct socket **so
 	if ((error = fd_allocfile(&fp, &fd)) != 0)
 		return error;
 	fd_set_exclose(l, fd, (flags & SOCK_CLOEXEC) != 0);
-	fp->f_flag = FREAD|FWRITE|((flags & SOCK_NONBLOCK) ? FNONBLOCK : 0)|
-	    ((flags & SOCK_NOSIGPIPE) ? FNOSIGPIPE : 0);
+	fp->f_flag = FREAD|FWRITE|((flags & SOCK_NONBLOCK) ? FNONBLOCK : 0);
 	fp->f_type = DTYPE_SOCKET;
 	fp->f_ops = &socketops;
 	error = socreate(domain, &so, type, protocol, l, NULL);
@@ -622,7 +638,7 @@ solisten(struct socket *so, int backlog,
 	if ((so->so_state & (SS_ISCONNECTED | SS_ISCONNECTING | 
 	    SS_ISDISCONNECTING)) != 0) {
 	    	sounlock(so);
-		return (EINVAL);
+		return (EOPNOTSUPP);
 	}
 	error = (*so->so_proto->pr_usrreq)(so, PRU_LISTEN, NULL,
 	    NULL, NULL, l);
@@ -1703,7 +1719,6 @@ sosetopt1(struct socket *so, const struc
 	case SO_REUSEPORT:
 	case SO_OOBINLINE:
 	case SO_TIMESTAMP:
-	case SO_NOSIGPIPE:
 #ifdef SO_OTIMESTAMP
 	case SO_OTIMESTAMP:
 #endif
@@ -1904,7 +1919,6 @@ sogetopt1(struct socket *so, struct sock
 	case SO_BROADCAST:
 	case SO_OOBINLINE:
 	case SO_TIMESTAMP:
-	case SO_NOSIGPIPE:
 #ifdef SO_OTIMESTAMP
 	case SO_OTIMESTAMP:
 #endif