netdev - Re: [PATCH] ipv4: Flush per-ns routing cache more sanely.

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Message-ID: <1288121422.2652.14.camel@edumazet-laptop>
Date:	Tue, 26 Oct 2010 21:30:22 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	ebiederm@...ssion.com, netdev@...r.kernel.org,
	daniel.lezcano@...e.fr
Subject: Re: [PATCH] ipv4: Flush per-ns routing cache more sanely.

Le mardi 26 octobre 2010 à 12:20 -0700, David Miller a écrit :
> From: ebiederm@...ssion.com (Eric W. Biederman)
> Date: Tue, 26 Oct 2010 12:05:39 -0700
> 
> >> @@ -999,7 +999,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
> >>  		rt_cache_flush(dev_net(dev), 0);
> >>  		break;
> >>  	case NETDEV_UNREGISTER_BATCH:
> >> -		rt_cache_flush_batch();
> >> +		rt_cache_flush_batch(dev_net(dev));
> > 
> > It still has this incorrect conversion in it.
> 
> Sorry I missed that, what's the exact problem with it?

Because the way _BATCH operation is performed, we call it once...

rollback_registered_many() calls it for the first dev queued in the
list.

So it should be net independant.



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