From: Stephen Hemminger <shemminger@linux-foundation.org>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vlan & net drivers: avoid a 4-order allocation
Date: Wed, 28 Feb 2007 14:20:13 -0800 [thread overview]
Message-ID: <20070228142013.17dc0367@freekitty> (raw)
In-Reply-To: 20070228124157.GA1589@localdomain
On Wed, 28 Feb 2007 14:41:57 +0200
Dan Aloni <da-x@monatomic.org> wrote:
> Hello,
>
> This patch splits the vlan_group struct into a multi-allocated struct. On
> x86_64, the size of the original struct is a little more than 32KB, causing
> a 4-order allocation, which is prune to problems caused by buddy-system
> external fragmentation conditions.
>
> I couldn't just use vmalloc() because vfree() cannot be called in the
> softirq context of the RCU callback.
>
> Signed-off-by: Dan Aloni <da-x@monatomic.org>
>
Please submit patch to proper place: netdev@vger.kernel.org
and Ben Greear <greearb@candelatech.com>
--
Stephen Hemminger <shemminger@linux-foundation.org>
prev parent reply other threads:[~2007-02-28 22:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-28 12:41 [PATCH] vlan & net drivers: avoid a 4-order allocation Dan Aloni
2007-02-28 22:20 ` Stephen Hemminger [this message]
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