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DateTue, 23 Sep 2008 22:54:52 -0700
FromAndrew Morton <>
SubjectRe: [PATCH 2/3] corruption check: run the corruption checks from a work queue
On Tue, 23 Sep 2008 21:54:13 -0700 Arjan van de Ven <arjan@infradead.org> wrote:

> 
> From: Arjan van de Ven <arjan@linux.intel.com>
> Date: Mon, 22 Sep 2008 13:42:15 -0700
> Subject: [PATCH] corruption check: run the corruption checks from a work queue
> 
> the corruption checks are better off run from a work queue; there's nothing
> time critical about them and this way the amount of interrupt-context work
> is reduced.
> 
> ...
>
> +int start_periodic_check_for_corruption(void)
>  {
>  	if (!memory_corruption_check || corruption_check_period == 0)
> -		return;
> +		return 0;
> 
>  	printk(KERN_INFO "Scanning for low memory corruption every %d seconds\n",
>  	       corruption_check_period);
> 
>  	init_timer(&periodic_check_timer);
>  	periodic_check_timer.function = &periodic_check_for_corruption;
> -	periodic_check_for_corruption(0);
> +	mod_timer(&periodic_check_timer,
> +			round_jiffies(jiffies + corruption_check_period*HZ));
> +	return 0;
>  }

Could use schedule_delayed_work() and zap the timer altogether?




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