netdev - Re: [PATCH v2] ipv4 : igmp : optimize timer modify logic in igmp_mod

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Date:	Wed, 23 Nov 2011 17:28:14 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	mypopydev@...il.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2] ipv4 : igmp : optimize timer modify logic in
 igmp_mod_timer()

From: Jun Zhao <mypopydev@...il.com>
Date: Thu, 24 Nov 2011 00:38:42 +0800

> When timer is pending and expires less-than-or-equal-to new delay,
> we need not used del_timer()/add_timer().
> 
> Signed-off-by: Jun Zhao <mypopydev@...il.com>

You did not answer Eric's question, why are you optimizing this
less-used code path?
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