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/*
 * linux/kernel/info.c
 *
 * Copyright (C) 1992 Darren Senn
 */
 
/* This implements the sysinfo() system call */
 
#include <asm/segment.h>
 
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/unistd.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/swap.h>
 
asmlinkage int sys_sysinfo(struct sysinfo *info)
{
	int error;
	struct sysinfo val;
 
	error = verify_area(VERIFY_WRITE, info, sizeof(struct sysinfo));
	if (error)
		return error;
	memset((char *)&val, 0, sizeof(struct sysinfo));
 
	val.uptime = jiffies / HZ;
 
	val.loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT);
	val.loads[1] = avenrun[1] << (SI_LOAD_SHIFT - FSHIFT);
	val.loads[2] = avenrun[2] << (SI_LOAD_SHIFT - FSHIFT);
 
	val.procs = nr_tasks-1;
 
	si_meminfo(&val);
	si_swapinfo(&val);
 
	memcpy_tofs(info, &val, sizeof(struct sysinfo));
	return 0;
}