netdev - Re: IPV6 stateless address autoconfiguration

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Message-ID: <OFEAF0762D.B7C9C8DD-ON88257447.005CE64E-88257447.005D6A63@us.ibm.com>
Date:	Mon, 12 May 2008 10:00:21 -0700
From:	David Stevens <dlstevens@...ibm.com>
To:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
Cc:	davem@...emloft.net, Joseph.Bonitch@...ox.com,
	netdev@...r.kernel.org, netdev-owner@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: IPV6 stateless address autoconfiguration

> +         } else if (~rt_expires) {
> +            /* not infinity */
> +            rt->rt6i_expires = jiffies + rt_expires;
> +            rt->rt6i_flags |= RTF_EXPIRES;

        rt_expires is "unsigned long" -- won't the high-order
bits be set on 64-bit machines?
        Also, don't you need to check before the divide by
USER_HZ?

                                                        +-DLS


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