From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [RFC Patch] net: reserve ports for applications using fixed port numbers Date: Thu, 04 Feb 2010 09:41:10 -0800 (PST) Message-ID: <20100204.094110.64247447.davem@davemloft.net> References: <201002031312.48531.opurdila@ixiacom.com> <4B6A3DBA.1000706@redhat.com> <201002041444.01897.opurdila@ixiacom.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: amwang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org, linux-sctp-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org Return-path: In-Reply-To: <201002041444.01897.opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org From: Octavian Purdila Date: Thu, 4 Feb 2010 14:44:01 +0200 > My concern is that we can have multiple applications that require a > fixed port and if those ports are significantly apart we will > decrease the port range available for connect. And that will hurt > the rate of which new connections can be opened. I'm already uneasy about adding the simple check every time we loop around in the bind port allocator. Adding an LSM hook to this spot? I absolutely refuse to allow that, it will completely kill bind performance. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html