fork_usermode_blob 54 include/linux/umh.h int fork_usermode_blob(void *data, size_t len, struct umh_info *info); fork_usermode_blob 540 kernel/umh.c EXPORT_SYMBOL_GPL(fork_usermode_blob); fork_usermode_blob 80 net/bpfilter/bpfilter_kern.c err = fork_usermode_blob(&bpfilter_umh_start,