diff options
-rw-r--r-- | tools/bpf/bpftool/common.c | 8 | ||||
-rw-r--r-- | tools/bpf/bpftool/main.h | 2 | ||||
-rw-r--r-- | tools/bpf/bpftool/map.c | 2 | ||||
-rw-r--r-- | tools/bpf/bpftool/prog.c | 2 |
4 files changed, 14 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c index 25af85304ebe..1149565be4b1 100644 --- a/tools/bpf/bpftool/common.c +++ b/tools/bpf/bpftool/common.c @@ -46,6 +46,7 @@ #include <linux/magic.h> #include <net/if.h> #include <sys/mount.h> +#include <sys/resource.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/vfs.h> @@ -99,6 +100,13 @@ static bool is_bpffs(char *path) return (unsigned long)st_fs.f_type == BPF_FS_MAGIC; } +void set_max_rlimit(void) +{ + struct rlimit rinf = { RLIM_INFINITY, RLIM_INFINITY }; + + setrlimit(RLIMIT_MEMLOCK, &rinf); +} + static int mnt_bpffs(const char *target, char *buff, size_t bufflen) { bool bind_done = false; diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h index 28322ace2856..14857c273bf6 100644 --- a/tools/bpf/bpftool/main.h +++ b/tools/bpf/bpftool/main.h @@ -100,6 +100,8 @@ bool is_prefix(const char *pfx, const char *str); void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep); void usage(void) __noreturn; +void set_max_rlimit(void); + struct pinned_obj_table { DECLARE_HASHTABLE(table, 16); }; diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c index 7bf38f0e152e..101b8a881225 100644 --- a/tools/bpf/bpftool/map.c +++ b/tools/bpf/bpftool/map.c @@ -1140,6 +1140,8 @@ static int do_create(int argc, char **argv) return -1; } + set_max_rlimit(); + fd = bpf_create_map_xattr(&attr); if (fd < 0) { p_err("map create failed: %s", strerror(errno)); diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 5302ee282409..b9b84553bec4 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -995,6 +995,8 @@ static int do_load(int argc, char **argv) goto err_close_obj; } + set_max_rlimit(); + err = bpf_object__load(obj); if (err) { p_err("failed to load object file"); |