Date: Mon, 4 Aug 2014 19:42:48 +0000 (UTC) From: Hiren Panchasara <hiren@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r269526 - head/sys/netinet Message-ID: <53dfe238.5ff1.218d2d88@svn.freebsd.org>
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Author: hiren Date: Mon Aug 4 19:42:48 2014 New Revision: 269526 URL: http://svnweb.freebsd.org/changeset/base/269526 Log: Add a comment for easier code understanding. Modified: head/sys/netinet/tcp_timewait.c Modified: head/sys/netinet/tcp_timewait.c ============================================================================== --- head/sys/netinet/tcp_timewait.c Mon Aug 4 19:02:30 2014 (r269525) +++ head/sys/netinet/tcp_timewait.c Mon Aug 4 19:42:48 2014 (r269526) @@ -275,6 +275,11 @@ tcp_twstart(struct tcpcb *tp) tw = uma_zalloc(V_tcptw_zone, M_NOWAIT); if (tw == NULL) { + /* + * Reached limit on total number of TIMEWAIT connections + * allowed. Remove a connection from TIMEWAIT queue in LRU + * fashion to make room for this connection. + */ tw = tcp_tw_2msl_reuse(); if (tw == NULL) { tp = tcp_close(tp);
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