1#ifndef _LINUX_KERNEL_H
2#define _LINUX_KERNEL_H
3
4/*
5 * 'kernel.h' contains some often-used function prototypes etc
6 */
7
8
9#define SI_LOAD_SHIFT	16
10struct sysinfo {
11	long uptime;			/* Seconds since boot */
12	unsigned long loads[3];		/* 1, 5, and 15 minute load averages */
13	unsigned long totalram;		/* Total usable main memory size */
14	unsigned long freeram;		/* Available memory size */
15	unsigned long sharedram;	/* Amount of shared memory */
16	unsigned long bufferram;	/* Memory used by buffers */
17	unsigned long totalswap;	/* Total swap space size */
18	unsigned long freeswap;		/* swap space still available */
19	unsigned short procs;		/* Number of current processes */
20	unsigned short pad;		/* explicit padding for m68k */
21	unsigned long totalhigh;	/* Total high memory size */
22	unsigned long freehigh;		/* Available high memory size */
23	unsigned int mem_unit;		/* Memory unit size in bytes */
24	char _f[20-2*sizeof(long)-sizeof(int)];	/* Padding: libc5 uses this.. */
25};
26
27/* Force a compilation error if condition is true */
28#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
29
30/* Force a compilation error if condition is true, but also produce a
31   result (of value 0 and type size_t), so the expression can be used
32   e.g. in a structure initializer (or where-ever else comma expressions
33   aren't permitted). */
34#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
35
36/* Trap pasters of __FUNCTION__ at compile-time */
37#define __FUNCTION__ (__func__)
38
39/* This helps us to avoid #ifdef CONFIG_NUMA */
40#ifdef CONFIG_NUMA
41#define NUMA_BUILD 1
42#else
43#define NUMA_BUILD 0
44#endif
45
46#endif
47