File: percpu.h

package info (click to toggle)
android-platform-development 8.1.0%2Br23-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 37,780 kB
  • sloc: ansic: 166,133; xml: 75,737; java: 19,329; python: 11,511; cpp: 8,221; sh: 2,075; lisp: 261; ruby: 183; asm: 132; perl: 129; makefile: 18
file content (30 lines) | stat: -rw-r--r-- 1,166 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef __LINUX_PERCPU_H
#define __LINUX_PERCPU_H
#include <linux/spinlock.h>  
#include <linux/slab.h>  
#include <linux/smp.h>
#include <linux/string.h>  
#include <asm/percpu.h>

#ifndef PERCPU_ENOUGH_ROOM
#define PERCPU_ENOUGH_ROOM 32768
#endif

#define get_cpu_var(var) (*({ preempt_disable(); &__get_cpu_var(var); }))
#define put_cpu_var(var) preempt_enable()

#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })

#define alloc_percpu(type) ((type *)(__alloc_percpu(sizeof(type))))
#endif