From patchwork Fri Oct 27 23:12:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tushar Dave X-Patchwork-Id: 831544 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yP0642Qdlz9t4X for ; Sat, 28 Oct 2017 10:13:00 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751872AbdJ0XM4 (ORCPT ); Fri, 27 Oct 2017 19:12:56 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:42937 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751266AbdJ0XMy (ORCPT ); Fri, 27 Oct 2017 19:12:54 -0400 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v9RNCbnG008982 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 27 Oct 2017 23:12:37 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v9RNCbcB019999 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 27 Oct 2017 23:12:37 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id v9RNCZoQ011603; Fri, 27 Oct 2017 23:12:36 GMT Received: from tndave-linux.us.oracle.com (/10.137.226.33) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 27 Oct 2017 16:12:35 -0700 From: Tushar Dave To: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org Subject: [PATCH net-next] samples/bpf: adjust rlimit RLIMIT_MEMLOCK for xdp1 Date: Fri, 27 Oct 2017 16:12:30 -0700 Message-Id: <1509145950-5840-1-git-send-email-tushar.n.dave@oracle.com> X-Mailer: git-send-email 1.9.1 X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Default rlimit RLIMIT_MEMLOCK is 64KB, causes bpf map failure. e.g. [root@lab bpf]#./xdp1 -N $( Acked-by: Alexei Starovoitov --- samples/bpf/xdp1_user.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c index 2431c03..fdaefe9 100644 --- a/samples/bpf/xdp1_user.c +++ b/samples/bpf/xdp1_user.c @@ -14,6 +14,7 @@ #include #include #include +#include #include "bpf_load.h" #include "bpf_util.h" @@ -69,6 +70,7 @@ static void usage(const char *prog) int main(int argc, char **argv) { + struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; const char *optstr = "SN"; char filename[256]; int opt; @@ -91,6 +93,12 @@ int main(int argc, char **argv) usage(basename(argv[0])); return 1; } + + if (setrlimit(RLIMIT_MEMLOCK, &r)) { + perror("setrlimit(RLIMIT_MEMLOCK)"); + return 1; + } + ifindex = strtoul(argv[optind], NULL, 0); snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);