Since bpf is not using rlimit memlock for the memory accounting
and control, do not change the limit in sample applications.

Signed-off-by: Roman Gushchin <g...@fb.com>
---
 samples/bpf/map_perf_test_user.c    | 11 -----------
 samples/bpf/offwaketime_user.c      |  2 --
 samples/bpf/sockex2_user.c          |  2 --
 samples/bpf/sockex3_user.c          |  2 --
 samples/bpf/spintest_user.c         |  2 --
 samples/bpf/syscall_tp_user.c       |  2 --
 samples/bpf/task_fd_query_user.c    |  5 -----
 samples/bpf/test_lru_dist.c         |  3 ---
 samples/bpf/test_map_in_map_user.c  |  9 ---------
 samples/bpf/test_overhead_user.c    |  2 --
 samples/bpf/trace_event_user.c      |  2 --
 samples/bpf/tracex2_user.c          |  6 ------
 samples/bpf/tracex3_user.c          |  6 ------
 samples/bpf/tracex4_user.c          |  6 ------
 samples/bpf/tracex5_user.c          |  3 ---
 samples/bpf/tracex6_user.c          |  3 ---
 samples/bpf/xdp1_user.c             |  6 ------
 samples/bpf/xdp_adjust_tail_user.c  |  6 ------
 samples/bpf/xdp_monitor_user.c      |  6 ------
 samples/bpf/xdp_redirect_cpu_user.c |  6 ------
 samples/bpf/xdp_redirect_map_user.c |  6 ------
 samples/bpf/xdp_redirect_user.c     |  6 ------
 samples/bpf/xdp_router_ipv4_user.c  |  6 ------
 samples/bpf/xdp_rxq_info_user.c     |  6 ------
 samples/bpf/xdp_sample_pkts_user.c  |  6 ------
 samples/bpf/xdp_tx_iptunnel_user.c  |  6 ------
 samples/bpf/xdpsock_user.c          |  7 -------
 27 files changed, 133 deletions(-)

diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
index 8b13230b4c46..4c198bc55beb 100644
--- a/samples/bpf/map_perf_test_user.c
+++ b/samples/bpf/map_perf_test_user.c
@@ -421,20 +421,9 @@ static void fixup_map(struct bpf_object *obj)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
-       int nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-       struct bpf_link *links[8];
-       struct bpf_program *prog;
-       struct bpf_object *obj;
-       struct bpf_map *map;
        char filename[256];
        int i = 0;
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        if (argc > 1)
                test_flags = atoi(argv[1]) ? : test_flags;
 
diff --git a/samples/bpf/offwaketime_user.c b/samples/bpf/offwaketime_user.c
index 51c7da5341cc..9e51dd011a2a 100644
--- a/samples/bpf/offwaketime_user.c
+++ b/samples/bpf/offwaketime_user.c
@@ -95,12 +95,10 @@ static void int_exit(int sig)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        char filename[256];
        int delay = 1;
 
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-       setrlimit(RLIMIT_MEMLOCK, &r);
 
        signal(SIGINT, int_exit);
        signal(SIGTERM, int_exit);
diff --git a/samples/bpf/sockex2_user.c b/samples/bpf/sockex2_user.c
index af925a5afd1d..bafa567b840c 100644
--- a/samples/bpf/sockex2_user.c
+++ b/samples/bpf/sockex2_user.c
@@ -16,7 +16,6 @@ struct pair {
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_object *obj;
        int map_fd, prog_fd;
        char filename[256];
@@ -24,7 +23,6 @@ int main(int ac, char **argv)
        FILE *f;
 
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-       setrlimit(RLIMIT_MEMLOCK, &r);
 
        if (bpf_prog_load(filename, BPF_PROG_TYPE_SOCKET_FILTER,
                          &obj, &prog_fd))
diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index 4dbee7427d47..6ee7b7a4b9b7 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -26,7 +26,6 @@ struct pair {
 int main(int argc, char **argv)
 {
        int i, sock, key, fd, main_prog_fd, jmp_table_fd, hash_map_fd;
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_program *prog;
        struct bpf_object *obj;
        char filename[256];
@@ -34,7 +33,6 @@ int main(int argc, char **argv)
        FILE *f;
 
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-       setrlimit(RLIMIT_MEMLOCK, &r);
 
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/spintest_user.c b/samples/bpf/spintest_user.c
index fb430ea2ef51..458f1439e670 100644
--- a/samples/bpf/spintest_user.c
+++ b/samples/bpf/spintest_user.c
@@ -11,14 +11,12 @@
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        long key, next_key, value;
        char filename[256];
        struct ksym *sym;
        int i;
 
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-       setrlimit(RLIMIT_MEMLOCK, &r);
 
        if (load_kallsyms()) {
                printf("failed to process /proc/kallsyms\n");
diff --git a/samples/bpf/syscall_tp_user.c b/samples/bpf/syscall_tp_user.c
index 57014bab7cbe..caa3891ee774 100644
--- a/samples/bpf/syscall_tp_user.c
+++ b/samples/bpf/syscall_tp_user.c
@@ -85,7 +85,6 @@ static int test(char *filename, int num_progs)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        int opt, num_progs = 1;
        char filename[256];
 
@@ -101,7 +100,6 @@ int main(int argc, char **argv)
                }
        }
 
-       setrlimit(RLIMIT_MEMLOCK, &r);
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
 
        return test(filename, num_progs);
diff --git a/samples/bpf/task_fd_query_user.c b/samples/bpf/task_fd_query_user.c
index ff2e9c1c7266..e2c1cacb781c 100644
--- a/samples/bpf/task_fd_query_user.c
+++ b/samples/bpf/task_fd_query_user.c
@@ -290,16 +290,11 @@ static int test_debug_fs_uprobe(char *binary_path, long 
offset, bool is_return)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {1024*1024, RLIM_INFINITY};
        extern char __executable_start;
        char filename[256], buf[256];
        __u64 uprobe_file_offset;
 
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
 
        if (load_kallsyms()) {
                printf("failed to process /proc/kallsyms\n");
diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c
index b313dba4111b..c92c5c06b965 100644
--- a/samples/bpf/test_lru_dist.c
+++ b/samples/bpf/test_lru_dist.c
@@ -489,7 +489,6 @@ static void test_parallel_lru_loss(int map_type, int 
map_flags, int nr_tasks)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        int map_flags[] = {0, BPF_F_NO_COMMON_LRU};
        const char *dist_file;
        int nr_tasks = 1;
@@ -508,8 +507,6 @@ int main(int argc, char **argv)
 
        setbuf(stdout, NULL);
 
-       assert(!setrlimit(RLIMIT_MEMLOCK, &r));
-
        srand(time(NULL));
 
        nr_cpus = bpf_num_possible_cpus();
diff --git a/samples/bpf/test_map_in_map_user.c 
b/samples/bpf/test_map_in_map_user.c
index 98656de56b83..0e65753a157a 100644
--- a/samples/bpf/test_map_in_map_user.c
+++ b/samples/bpf/test_map_in_map_user.c
@@ -114,17 +114,8 @@ static void test_map_in_map(void)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
-       struct bpf_link *link = NULL;
-       struct bpf_program *prog;
-       struct bpf_object *obj;
        char filename[256];
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/test_overhead_user.c b/samples/bpf/test_overhead_user.c
index 94f74112a20e..c100fd46cd8a 100644
--- a/samples/bpf/test_overhead_user.c
+++ b/samples/bpf/test_overhead_user.c
@@ -125,12 +125,10 @@ static void unload_progs(void)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        char filename[256];
        int num_cpu = 8;
        int test_flags = ~0;
 
-       setrlimit(RLIMIT_MEMLOCK, &r);
 
        if (argc > 1)
                test_flags = atoi(argv[1]) ? : test_flags;
diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c
index ac1ba368195c..9664749bf618 100644
--- a/samples/bpf/trace_event_user.c
+++ b/samples/bpf/trace_event_user.c
@@ -294,13 +294,11 @@ static void test_bpf_perf_event(void)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_object *obj = NULL;
        char filename[256];
        int error = 1;
 
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-       setrlimit(RLIMIT_MEMLOCK, &r);
 
        signal(SIGINT, err_exit);
        signal(SIGTERM, err_exit);
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index 3e36b3e4e3ef..1626d51dfffd 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c
@@ -116,7 +116,6 @@ static void int_exit(int sig)
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {1024*1024, RLIM_INFINITY};
        long key, next_key, value;
        struct bpf_link *links[2];
        struct bpf_program *prog;
@@ -125,11 +124,6 @@ int main(int ac, char **argv)
        int i, j = 0;
        FILE *f;
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c
index 70e987775c15..33e16ba39f25 100644
--- a/samples/bpf/tracex3_user.c
+++ b/samples/bpf/tracex3_user.c
@@ -107,7 +107,6 @@ static void print_hist(int fd)
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {1024*1024, RLIM_INFINITY};
        struct bpf_link *links[2];
        struct bpf_program *prog;
        struct bpf_object *obj;
@@ -127,11 +126,6 @@ int main(int ac, char **argv)
                }
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c
index e8faf8f184ae..cea399424bca 100644
--- a/samples/bpf/tracex4_user.c
+++ b/samples/bpf/tracex4_user.c
@@ -48,18 +48,12 @@ static void print_old_objects(int fd)
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_link *links[2];
        struct bpf_program *prog;
        struct bpf_object *obj;
        char filename[256];
        int map_fd, i, j = 0;
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)");
-               return 1;
-       }
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex5_user.c b/samples/bpf/tracex5_user.c
index 98dad57a96c4..1549fa3ec65c 100644
--- a/samples/bpf/tracex5_user.c
+++ b/samples/bpf/tracex5_user.c
@@ -34,7 +34,6 @@ static void install_accept_all_seccomp(void)
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_link *link = NULL;
        struct bpf_program *prog;
        struct bpf_object *obj;
@@ -43,8 +42,6 @@ int main(int ac, char **argv)
        const char *title;
        FILE *f;
 
-       setrlimit(RLIMIT_MEMLOCK, &r);
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex6_user.c b/samples/bpf/tracex6_user.c
index 33df9784775d..28296f40c133 100644
--- a/samples/bpf/tracex6_user.c
+++ b/samples/bpf/tracex6_user.c
@@ -175,15 +175,12 @@ static void test_bpf_perf_event(void)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_link *links[2];
        struct bpf_program *prog;
        struct bpf_object *obj;
        char filename[256];
        int i = 0;
 
-       setrlimit(RLIMIT_MEMLOCK, &r);
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        obj = bpf_object__open_file(filename, NULL);
        if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index c447ad9e3a1d..116e39f6b666 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c
@@ -79,7 +79,6 @@ static void usage(const char *prog)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -117,11 +116,6 @@ int main(int argc, char **argv)
                return 1;
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        ifindex = if_nametoindex(argv[optind]);
        if (!ifindex) {
                perror("if_nametoindex");
diff --git a/samples/bpf/xdp_adjust_tail_user.c 
b/samples/bpf/xdp_adjust_tail_user.c
index ba482dc3da33..a70b094c8ec5 100644
--- a/samples/bpf/xdp_adjust_tail_user.c
+++ b/samples/bpf/xdp_adjust_tail_user.c
@@ -82,7 +82,6 @@ static void usage(const char *cmd)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -143,11 +142,6 @@ int main(int argc, char **argv)
                }
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)");
-               return 1;
-       }
-
        if (!ifindex) {
                fprintf(stderr, "Invalid ifname\n");
                return 1;
diff --git a/samples/bpf/xdp_monitor_user.c b/samples/bpf/xdp_monitor_user.c
index ef53b93db573..25e6a24f8d7b 100644
--- a/samples/bpf/xdp_monitor_user.c
+++ b/samples/bpf/xdp_monitor_user.c
@@ -645,7 +645,6 @@ static void print_bpf_prog_info(void)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        int longindex = 0, opt;
        int ret = EXIT_SUCCESS;
        char bpf_obj_file[256];
@@ -676,11 +675,6 @@ int main(int argc, char **argv)
                }
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return EXIT_FAILURE;
-       }
-
        if (load_bpf_file(bpf_obj_file)) {
                printf("ERROR - bpf_log_buf: %s", bpf_log_buf);
                return EXIT_FAILURE;
diff --git a/samples/bpf/xdp_redirect_cpu_user.c 
b/samples/bpf/xdp_redirect_cpu_user.c
index 004c0622c913..6773027b2a89 100644
--- a/samples/bpf/xdp_redirect_cpu_user.c
+++ b/samples/bpf/xdp_redirect_cpu_user.c
@@ -779,7 +779,6 @@ static int load_cpumap_prog(char *file_name, char 
*prog_name,
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
        char *prog_name = "xdp_cpu_map5_lb_hash_ip_pairs";
        char *mprog_filename = "xdp_redirect_kern.o";
        char *redir_interface = NULL, *redir_map = NULL;
@@ -818,11 +817,6 @@ int main(int argc, char **argv)
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        prog_load_attr.file = filename;
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
                return EXIT_FAIL;
 
diff --git a/samples/bpf/xdp_redirect_map_user.c 
b/samples/bpf/xdp_redirect_map_user.c
index 35e16dee613e..31131b6e7782 100644
--- a/samples/bpf/xdp_redirect_map_user.c
+++ b/samples/bpf/xdp_redirect_map_user.c
@@ -96,7 +96,6 @@ static void usage(const char *prog)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -135,11 +134,6 @@ int main(int argc, char **argv)
                return 1;
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        ifindex_in = if_nametoindex(argv[optind]);
        if (!ifindex_in)
                ifindex_in = strtoul(argv[optind], NULL, 0);
diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c
index 9ca2bf457cda..41d705c3a1f7 100644
--- a/samples/bpf/xdp_redirect_user.c
+++ b/samples/bpf/xdp_redirect_user.c
@@ -97,7 +97,6 @@ static void usage(const char *prog)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -136,11 +135,6 @@ int main(int argc, char **argv)
                return 1;
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        ifindex_in = if_nametoindex(argv[optind]);
        if (!ifindex_in)
                ifindex_in = strtoul(argv[optind], NULL, 0);
diff --git a/samples/bpf/xdp_router_ipv4_user.c 
b/samples/bpf/xdp_router_ipv4_user.c
index c2da1b51ff95..b5f03cb17a3c 100644
--- a/samples/bpf/xdp_router_ipv4_user.c
+++ b/samples/bpf/xdp_router_ipv4_user.c
@@ -625,7 +625,6 @@ static void usage(const char *prog)
 
 int main(int ac, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -670,11 +669,6 @@ int main(int ac, char **argv)
                return 1;
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
                return 1;
 
diff --git a/samples/bpf/xdp_rxq_info_user.c b/samples/bpf/xdp_rxq_info_user.c
index caa4e7ffcfc7..74a2926eba08 100644
--- a/samples/bpf/xdp_rxq_info_user.c
+++ b/samples/bpf/xdp_rxq_info_user.c
@@ -450,7 +450,6 @@ static void stats_poll(int interval, int action, __u32 
cfg_opt)
 int main(int argc, char **argv)
 {
        __u32 cfg_options= NO_TOUCH ; /* Default: Don't touch packet memory */
-       struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -474,11 +473,6 @@ int main(int argc, char **argv)
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        prog_load_attr.file = filename;
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
                return EXIT_FAIL;
 
diff --git a/samples/bpf/xdp_sample_pkts_user.c 
b/samples/bpf/xdp_sample_pkts_user.c
index 991ef6f0880b..551c6839f593 100644
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ b/samples/bpf/xdp_sample_pkts_user.c
@@ -110,7 +110,6 @@ static void usage(const char *prog)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
@@ -144,11 +143,6 @@ int main(int argc, char **argv)
                return 1;
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
        prog_load_attr.file = filename;
 
diff --git a/samples/bpf/xdp_tx_iptunnel_user.c 
b/samples/bpf/xdp_tx_iptunnel_user.c
index a419bee151a8..1d4f305d02aa 100644
--- a/samples/bpf/xdp_tx_iptunnel_user.c
+++ b/samples/bpf/xdp_tx_iptunnel_user.c
@@ -155,7 +155,6 @@ int main(int argc, char **argv)
        struct bpf_prog_load_attr prog_load_attr = {
                .prog_type      = BPF_PROG_TYPE_XDP,
        };
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        int min_port = 0, max_port = 0, vip2tnl_map_fd;
        const char *optstr = "i:a:p:s:d:m:T:P:FSNh";
        unsigned char opt_flags[256] = {};
@@ -254,11 +253,6 @@ int main(int argc, char **argv)
                }
        }
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)");
-               return 1;
-       }
-
        if (!ifindex) {
                fprintf(stderr, "Invalid ifname\n");
                return 1;
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 19c679456a0e..b3bd60433546 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1216,7 +1216,6 @@ static void enter_xsks_into_map(struct bpf_object *obj)
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
        bool rx = false, tx = false;
        struct xsk_umem_info *umem;
        struct bpf_object *obj;
@@ -1226,12 +1225,6 @@ int main(int argc, char **argv)
 
        parse_command_line(argc, argv);
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               fprintf(stderr, "ERROR: setrlimit(RLIMIT_MEMLOCK) \"%s\"\n",
-                       strerror(errno));
-               exit(EXIT_FAILURE);
-       }
-
        if (opt_num_xsks > 1)
                load_xdp_program(argv, &obj);
 
-- 
2.26.2

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