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    SubjectRe: [2.6.35-rc1] page alloc failure order:1, mode:0x4020
    On 2010.06.04 14:53:34 , Eric Dumazet wrote:
    > order-1 allocations are unfortunate, since this hardware should use
    > order-0 ones if possible, and it seems it was its goal.
    >
    > 3872 (0xF20) comes from
    <snip>
    >
    > 1) Maybe rx_bufsize should not include the roundup() since
    > ath_rxbuf_alloc() also do an alignment adjustment ?
    >
    > 2) We should try to reduce skb_shared_info by four bytes.
    >
    > Could you try this patch ?
    >
    >
    > We make sure rx_bufsize + various overhead <= PAGE_SIZE
    > But I am not sure its legal for the hardware...

    I applied the patch recompiled and run it on the routerboard, trying
    to trigger the bug again.

    Kind regards,
    Michael


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