netdev - [net-next] samples/bpf: set max locked memory to ulimited

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Message-Id: <1466568358-37217-1-git-send-email-u9012063@gmail.com>
Date:	Tue, 21 Jun 2016 21:05:58 -0700
From:	William Tu <u9012063@...il.com>
To:	netdev@...r.kernel.org
Subject: [net-next] samples/bpf: set max locked memory to ulimited

Signed-off-by: William Tu <u9012063@...il.com>
---
 samples/bpf/sockex2_user.c | 3 +++
 samples/bpf/sockex3_user.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/samples/bpf/sockex2_user.c b/samples/bpf/sockex2_user.c
index 29a276d..8a4085c 100644
--- a/samples/bpf/sockex2_user.c
+++ b/samples/bpf/sockex2_user.c
@@ -5,6 +5,7 @@
 #include "bpf_load.h"
 #include <unistd.h>
 #include <arpa/inet.h>
+#include <sys/resource.h>
 
 struct pair {
 	__u64 packets;
@@ -13,11 +14,13 @@ struct pair {
 
 int main(int ac, char **argv)
 {
+	struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
 	char filename[256];
 	FILE *f;
 	int i, sock;
 
 	snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+	setrlimit(RLIMIT_MEMLOCK, &r);
 
 	if (load_bpf_file(filename)) {
 		printf("%s", bpf_log_buf);
diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index 2617772..d4184ab 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -5,6 +5,7 @@
 #include "bpf_load.h"
 #include <unistd.h>
 #include <arpa/inet.h>
+#include <sys/resource.h>
 
 struct flow_keys {
 	__be32 src;
@@ -23,11 +24,13 @@ struct pair {
 
 int main(int argc, char **argv)
 {
+	struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
 	char filename[256];
 	FILE *f;
 	int i, sock;
 
 	snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+	setrlimit(RLIMIT_MEMLOCK, &r);
 
 	if (load_bpf_file(filename)) {
 		printf("%s", bpf_log_buf);
-- 
2.5.0