#ifndef _ASM_POWERPC_PERCPU_H_#define _ASM_POWERPC_PERCPU_H_#ifdef __powerpc64__#include <linux/compiler.h> /* * Same as asm-generic/percpu.h, except that we store the per cpu offset * in the paca. Based on the x86-64 implementation. */ #ifdef CONFIG_SMP #include <asm/paca.h> #define __per_cpu_offset(cpu) (paca[cpu].data_offset)#define __my_cpu_offset() get_paca()->data_offset /* Separate out the type, so (int[3], foo) works. */#define DEFINE_PER_CPU(type, name) \    __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name /* var is in discarded region: offset to particular copy we want */#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu)))#define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __my_cpu_offset())) /* A macro to avoid #include hell... */#define percpu_modcopy(pcpudst, src, size)			\do {								\	unsigned int __i;					\	for_each_possible_cpu(__i)				\		memcpy((pcpudst)+__per_cpu_offset(__i),		\		       (src), (size));				\} while (0) extern void setup_per_cpu_areas(void); #else /* ! SMP */ #define DEFINE_PER_CPU(type, name) \    __typeof__(type) per_cpu__##name #define per_cpu(var, cpu)			(*((void)(cpu), &per_cpu__##var))#define __get_cpu_var(var)			per_cpu__##var #endif	/* SMP */ #define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var) #else#include <asm-generic/percpu.h>#endif #endif /* _ASM_POWERPC_PERCPU_H_ */