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Date: Sun, 7 Sep 2003 17:08:09 +0100
From: Russell King <rmk@arm.linux.org.uk>
To: Breno <brenosp@brasilsec.com.br>
Cc: Marcelo <marcelo@conectiva.com.br>,
       Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: mswap.patch - 2.4.20
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In-Reply-To: <000a01c38db1$76b4e400$f8e4a7c8@bsb.virtua.com.br>; from brenosp@brasilsec.com.br on Wed, Oct 08, 2003 at 12:33:01PM -0300
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On Wed, Oct 08, 2003 at 12:33:01PM -0300, Breno wrote:
> I dis this small patch , because i need to know information about swap´s
> consume.
> 
> patch for kernel 2.4.20

The "&&" operator can be useful sometimes.  I think this may be one of
those times.

> +
> +int show_swap_usage(void)
> +{
> +    struct task_struct *p = NULL;
> +    
> +    for_each_task(p)
> +    {
> +	if(p != NULL)
> +	{
> +	    if(p->pid != 1)
> +	    {
> +		if(p->mm != NULL)
> +		{
> +		    if(p->nswap > 0)
> +		    {
> +			printk(KERN_CRIT"Process name: %s pid %d\n",p->comm,p->pid);
> +			printk(KERN_CRIT"Nswap: %lu Totalvm %lu Cswap %lu\n",p->nswap,p->mm->total_vm,p->cnswap);
> +			return 0;
> +		    }
> +		}
> +	    }
> +	}
> +    }
> +    return 0;
> +}	


-- 
Russell King (rmk@arm.linux.org.uk)	http://www.arm.linux.org.uk/personal/
Linux kernel maintainer of:
  2.6 ARM Linux   - http://www.arm.linux.org.uk/
  2.6 PCMCIA      - http://pcmcia.arm.linux.org.uk/
  2.6 Serial core