Re: [PATCH] fix potential jiffies overflow

[Matt Mackall]

On Fri, Mar 03, 2006 at 12:31:10PM +0900, Atsushi Nemoto wrote:
> >>>>> On Thu, 2 Mar 2006 18:45:02 -0800, Andrew Morton <akpm@xxxxxxxx> said:
>  	sec = get_cmos_time() + clock_cmos_diff;
> -	sleep_length = (get_cmos_time() - sleep_start) * HZ;
> +	sleep_length = (u64)(get_cmos_time() - sleep_start) * HZ;

Calls to get_cmos_time() currently take an average of .5 seconds as it
waits for a clock edge to go by. I've got some patches queueing up to
eliminate this but it's probably worth caching the result here anyway.

-- 
Mathematics is the supreme nostalgia of our time.
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