Date: Mon, 20 Sep 2010 18:40:54 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r212911 - stable/8/sys/netinet Message-ID: <201009201840.o8KIesP9062906@svn.freebsd.org>
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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); }
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