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From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 20 Sep 2010 18:40:54 +0000 (UTC)
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Subject: svn commit: r212911 - stable/8/sys/netinet
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Author: jhb
Date: Mon Sep 20 18:40:54 2010
New Revision: 212911
URL: http://svn.freebsd.org/changeset/base/212911

Log:
  MFC 211888: Simplify the tcp pcblist estimate logic slightly.

Modified:
  stable/8/sys/netinet/tcp_subr.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/netinet/tcp_subr.c
==============================================================================
--- stable/8/sys/netinet/tcp_subr.c	Mon Sep 20 18:26:37 2010	(r212910)
+++ stable/8/sys/netinet/tcp_subr.c	Mon Sep 20 18:40:54 2010	(r212911)
@@ -1016,11 +1016,9 @@ tcp_pcblist(SYSCTL_HANDLER_ARGS)
 	 * resource-intensive to repeat twice on every request.
 	 */
 	if (req->oldptr == NULL) {
-		m = syncache_pcbcount();
-		n = V_tcbinfo.ipi_count;
-		n += imax((m + n) / 8, 10);
-		req->oldidx = 2 * (sizeof xig) +
-		    (m + n) * sizeof(struct xtcpcb);
+		n = V_tcbinfo.ipi_count + syncache_pcbcount();
+		n += imax(n / 8, 10);
+		req->oldidx = 2 * (sizeof xig) + n * sizeof(struct xtcpcb);
 		return (0);
 	}