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samples/bpf: set max locked memory to ulimited

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Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
William Tu 2016-06-21 21:05:58 -07:00 • committed by David S. Miller
parent 176275a261
commit eb88d58559
2 changed files with 6 additions and 0 deletions
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3
samples/bpf/sockex2_user.c
View file

@ -5,6 +5,7 @@
#include "bpf_load.h" #include "bpf_load.h"
#include <unistd.h> #include <unistd.h>
#include <arpa/inet.h> #include <arpa/inet.h>
#include <sys/resource.h>
struct pair { struct pair {
__u64 packets; __u64 packets;
@ -13,11 +14,13 @@ struct pair {
int main(int ac, char **argv) int main(int ac, char **argv)
{ {
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
char filename[256]; char filename[256];
FILE *f; FILE *f;
int i, sock; int i, sock;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
setrlimit(RLIMIT_MEMLOCK, &r);
if (load_bpf_file(filename)) { if (load_bpf_file(filename)) {
printf("%s", bpf_log_buf); printf("%s", bpf_log_buf);

3
samples/bpf/sockex3_user.c
View file

@ -5,6 +5,7 @@
#include "bpf_load.h" #include "bpf_load.h"
#include <unistd.h> #include <unistd.h>
#include <arpa/inet.h> #include <arpa/inet.h>
#include <sys/resource.h>
struct flow_keys { struct flow_keys {
__be32 src; __be32 src;
@ -23,11 +24,13 @@ struct pair {
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
char filename[256]; char filename[256];
FILE *f; FILE *f;
int i, sock; int i, sock;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
setrlimit(RLIMIT_MEMLOCK, &r);
if (load_bpf_file(filename)) { if (load_bpf_file(filename)) {
printf("%s", bpf_log_buf); printf("%s", bpf_log_buf);