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SubjectRe: [PATCH] vlan & net drivers: avoid a 4-order allocation
On Wed, 28 Feb 2007 14:41:57 +0200
Dan Aloni <> 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 <>

Please submit patch to proper place:
and Ben Greear <>

Stephen Hemminger <>
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