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/*

/*

 * linux/kernel/info.c

 * linux/kernel/info.c

 *

 *

 * Copyright (C) 1992 Darren Senn

 * Copyright (C) 1992 Darren Senn

 */

 */

/* This implements the sysinfo() system call */

/* This implements the sysinfo() system call */

#include <asm/segment.h>

#include <asm/segment.h>

#include <linux/sched.h>

#include <linux/sched.h>

#include <linux/string.h>

#include <linux/string.h>

#include <linux/unistd.h>

#include <linux/unistd.h>

#include <linux/types.h>

#include <linux/types.h>

#include <linux/mm.h>

#include <linux/mm.h>

#include <linux/swap.h>

#include <linux/swap.h>

asmlinkage int sys_sysinfo(struct sysinfo *info)

asmlinkage int sys_sysinfo(struct sysinfo *info)

{

{

        int error;

        int error;

        struct sysinfo val;

        struct sysinfo val;

        error = verify_area(VERIFY_WRITE, info, sizeof(struct sysinfo));

        error = verify_area(VERIFY_WRITE, info, sizeof(struct sysinfo));

        if (error)

        if (error)

                return error;

                return error;

        memset((char *)&val, 0, sizeof(struct sysinfo));

        memset((char *)&val, 0, sizeof(struct sysinfo));

        val.uptime = jiffies / HZ;

        val.uptime = jiffies / HZ;

        val.loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT);

        val.loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT);

        val.loads[1] = avenrun[1] << (SI_LOAD_SHIFT - FSHIFT);

        val.loads[1] = avenrun[1] << (SI_LOAD_SHIFT - FSHIFT);

        val.loads[2] = avenrun[2] << (SI_LOAD_SHIFT - FSHIFT);

        val.loads[2] = avenrun[2] << (SI_LOAD_SHIFT - FSHIFT);

        val.procs = nr_tasks-1;

        val.procs = nr_tasks-1;

        si_meminfo(&val);

        si_meminfo(&val);

        si_swapinfo(&val);

        si_swapinfo(&val);

        memcpy_tofs(info, &val, sizeof(struct sysinfo));

        memcpy_tofs(info, &val, sizeof(struct sysinfo));

        return 0;

        return 0;

}

}