From: David Miller <davem@davemloft.net>
To: opurdila@ixiacom.com
Cc: netdev@vger.kernel.org, lucian.grijincu@gmail.com, ddvlad@rosedu.org
Subject: Re: [PATCH net-next-2.6 v3] net: factorize sync-rcu call in unregister_netdevice_many
Date: Thu, 16 Dec 2010 14:04:17 -0800 (PST) [thread overview]
Message-ID: <20101216.140417.229760449.davem@davemloft.net> (raw)
In-Reply-To: <1292280247-9889-1-git-send-email-opurdila@ixiacom.com>
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Tue, 14 Dec 2010 00:44:07 +0200
> Add dev_close_many and dev_deactivate_many to factorize another
> sync-rcu operation on the netdevice unregister path.
>
> $ modprobe dummy numdummies=10000
> $ ip link set dev dummy* up
> $ time rmmod dummy
>
> Without the patch With the patch
>
> real 0m 24.63s real 0m 5.15s
> user 0m 0.00s user 0m 0.00s
> sys 0m 6.05s sys 0m 5.14s
>
> Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
I'll apply this, thanks Octavian.
prev parent reply other threads:[~2010-12-16 22:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-13 22:44 [PATCH net-next-2.6 v3] net: factorize sync-rcu call in unregister_netdevice_many Octavian Purdila
2010-12-16 22:04 ` David Miller [this message]
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