[rcu:rcu/dev 24/25] ERROR: "schedule_timeout_set_task2dump" [kernel/torture.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev
head:   dab0b22dfc3bd3ed37876b2465dc622a39ae25e0
commit: aa2b802cb432a725589884d2ba47833de21e0871 [24/25] EXP: timer: Dump __cpuhp_kick_ap task state
config: x86_64-kexec (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        git checkout aa2b802cb432a725589884d2ba47833de21e0871
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> ERROR: "schedule_timeout_set_task2dump" [kernel/torture.ko] undefined!

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