From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tushar Dave 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> To: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org Return-path: 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 Sender: netdev-owner@vger.kernel.org List-ID: Default rlimit RLIMIT_MEMLOCK is 64KB, causes bpf map failure. e.g. [root@lab bpf]#./xdp1 -N $( --- 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]); -- 1.9.1