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
