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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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