Defined in 2 files as a prototype:

• arch/x86/entry/vdso/vgetcpu.c, line 21 (as a prototype)
• arch/x86/um/vdso/um_vdso.c, line 67 (as a prototype)

Referenced in 3 files:

• arch/x86/entry/vdso/vdso.lds.S, line 24
• arch/x86/um/vdso/vdso.lds.S, line 25
• kernel/sys.c, line 2524