2.6.0-test3-bk1 -- include/asm/smp.h:61: error: `NR_CPUS' undeclared (first use in this function)

  CC      kernel/timer.o
In file included from include/linux/smp.h:17,
                 from include/linux/kernel_stat.h:6,
                 from kernel/timer.c:22:
include/asm/smp.h: In function `any_online_cpu':
include/asm/smp.h:61: error: `NR_CPUS' undeclared (first use in this function)
include/asm/smp.h:61: error: (Each undeclared identifier is reported only once
include/asm/smp.h:61: error: for each function it appears in.)
make[1]: *** [kernel/timer.o] Error 1

CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_6xx=y

CONFIG_PM=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_STD_MMU=y
CONFIG_PPC_MULTIPLATFORM=y

CONFIG_PPC_CHRP=y
CONFIG_PPC_PMAC=y
CONFIG_PPC_PREP=y
CONFIG_PPC_OF=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_ALTIVEC=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_PROC_INTF=y
CONFIG_CPU_FREQ_24_API=y
CONFIG_CPU_FREQ_PMAC=y


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