1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12#ifndef __LINUX_PERCPU_H 13#define __LINUX_PERCPU_H 14#include <linux/spinlock.h> 15#include <linux/slab.h> 16#include <linux/smp.h> 17#include <linux/string.h> 18#include <asm/percpu.h> 19 20#ifndef PERCPU_ENOUGH_ROOM 21#define PERCPU_ENOUGH_ROOM 32768 22#endif 23 24#define get_cpu_var(var) (*({ preempt_disable(); &__get_cpu_var(var); })) 25#define put_cpu_var(var) preempt_enable() 26 27#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); }) 28 29#define alloc_percpu(type) ((type *)(__alloc_percpu(sizeof(type)))) 30#endif 31