From owner-svn-src-user@FreeBSD.ORG  Sun Nov 20 14:51:27 2011
Return-Path: <owner-svn-src-user@FreeBSD.ORG>
Delivered-To: svn-src-user@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6050C106566B;
	Sun, 20 Nov 2011 14:51:27 +0000 (UTC)
	(envelope-from attilio@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 507EA8FC15;
	Sun, 20 Nov 2011 14:51:27 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id pAKEpRau096963;
	Sun, 20 Nov 2011 14:51:27 GMT (envelope-from attilio@svn.freebsd.org)
Received: (from attilio@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id pAKEpRkW096961;
	Sun, 20 Nov 2011 14:51:27 GMT (envelope-from attilio@svn.freebsd.org)
Message-Id: <201111201451.pAKEpRkW096961@svn.freebsd.org>
From: Attilio Rao <attilio@FreeBSD.org>
Date: Sun, 20 Nov 2011 14:51:27 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
X-SVN-Group: user
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r227754 - user/attilio/vmcontention/sys/vm
X-BeenThere: svn-src-user@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the experimental &quot; user&quot;
	src tree" <svn-src-user.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-user>
List-Post: <mailto:svn-src-user@freebsd.org>
List-Help: <mailto:svn-src-user-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 20 Nov 2011 14:51:27 -0000

Author: attilio
Date: Sun Nov 20 14:51:27 2011
New Revision: 227754
URL: http://svn.freebsd.org/changeset/base/227754

Log:
  Add more KTR points for failure in vm_radix_insert().

Modified:
  user/attilio/vmcontention/sys/vm/vm_radix.c

Modified: user/attilio/vmcontention/sys/vm/vm_radix.c
==============================================================================
--- user/attilio/vmcontention/sys/vm/vm_radix.c	Sun Nov 20 14:45:42 2011	(r227753)
+++ user/attilio/vmcontention/sys/vm/vm_radix.c	Sun Nov 20 14:51:27 2011	(r227754)
@@ -288,8 +288,12 @@ vm_radix_insert(struct vm_radix *rtree, 
 		 */
 		if (root == NULL || root->rn_count != 0) {
 			rnode = vm_radix_node_get();
-			if (rnode == NULL)
+			if (rnode == NULL) {
+				CTR4(KTR_VM,
+"insert: tree %p, root %p, index: %d, level: %d failed to allocate a new node",
+				    rtree, root, index, level);
 				return (ENOMEM);
+			}
 			/*
 			 * Store the new pointer with a memory barrier so
 			 * that it is visible before the new root.
@@ -311,8 +315,13 @@ vm_radix_insert(struct vm_radix *rtree, 
 		/* Add the required intermidiate nodes. */
 		if (rnode->rn_child[slot] == NULL) {
 			rnode->rn_child[slot] = vm_radix_node_get();
-    			if (rnode->rn_child[slot] == NULL)
+    			if (rnode->rn_child[slot] == NULL) {
+				CTR5(KTR_VM,
+"insert: tree %p, index %jd, level %d, slot %d, child %p failed to populate",
+		    		    rtree, index, level, slot,
+				    rnode->rn_child[slot]);
 		    		return (ENOMEM);
+			}
 			rnode->rn_count++;
 	    	}
 		CTR5(KTR_VM,