On Tue, 6 Sep 2016, Sebastian Andrzej Siewior wrote: > On 2016-09-07 00:08:04 [+0800], kbuild test robot wrote: > > kernel/cpu.c:1277:26: note: (near initialization for > > 'cpuhp_bp_states[19]') > > >> kernel/cpu.c:1282:3: error: 'CPUHP_SLAB_PREPARE' undeclared here (not in > > >> a function) > > [CPUHP_SLAB_PREPARE] = { > > ^~~~~~~~~~~~~~~~~~ > > The > include/linux/cpuhotplug.h | 1 +
Indeed. And I did not notice because it compiled with CONFIG_SMP=n. Duh!