Eric:  looks like you missed one?

commit b8a61c9e7b4a0fec493d191429e9653d66a79ccc
Author: Eric W. Biederman <ebiederm@xmission.com>
Date:   Thu May 14 15:17:40 2020 -0500

    exec: Generic execfd support

  CHECK   fs/binfmt_elf_fdpic.c
fs/binfmt_elf_fdpic.c:591:34: error: undefined identifier 'BINPRM_FLAGS_EXECFD'
  CC      fs/binfmt_elf_fdpic.o
fs/binfmt_elf_fdpic.c: In function 'create_elf_fdpic_tables':
fs/binfmt_elf_fdpic.c:591:27: error: 'BINPRM_FLAGS_EXECFD' undeclared (first use in this function); did you mean 'VM_DATA_FLAGS_EXEC'?
  if (bprm->interp_flags & BINPRM_FLAGS_EXECFD)
                           ^~~~~~~~~~~~~~~~~~~
                           VM_DATA_FLAGS_EXEC
fs/binfmt_elf_fdpic.c:591:27: note: each undeclared identifier is reported only once for each function it appears in
make[1]: *** [scripts/Makefile.build:273: fs/binfmt_elf_fdpic.o] Error 1
23:14:07 0 [/usr/src/linux-next]2