samples/bpf: bpf_load.h document steps helpers perform

kernel/samples/bpf/bpf_load.h

@@ -16,20 +16,22 @@ extern int prog_cnt;
 /* parses elf file compiled by llvm .c->.o
  * . parses 'maps' section and creates maps via BPF syscall
  * . parses 'license' section and passes it to syscall
+ */
+int load_bpf_elf_sections(int fd);
+/*
  * . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by
  *   storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD
  * . loads eBPF programs via BPF syscall
- *
+ */
+int load_bpf_relocate_maps_and_attach(int fd);
+/*
  * One ELF file can contain multiple BPF programs which will be loaded
  * and their FDs stored stored in prog_fd array
  *
  * returns zero on success
  */
 int load_bpf_file(char *path);
 
-/* Helpers to splitup load_bpf_file */
-int load_bpf_elf_sections(int fd);
-int load_bpf_relocate_maps_and_attach(int fd);
 
 void read_trace_pipe(void);
 struct ksym {