root/arch/x86/entry/vdso/

[..]
  1. vclock_gettime.c
  2. vdso-layout.lds.S
  3. vdso-note.S
  4. vdso.lds.S
  5. vdso2c.c
  6. vdso2c.h
  7. vdso32-setup.c
  8. vdso32/
  9. vdsox32.lds.S
  10. vgetcpu.c
  11. vma.c
[..]