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gop_frag_copy
2013 Jul 10
13
[PATCH v2 1/1] xen/netback: correctly calculate required slots of skb.
When counting required slots for skb, netback directly uses DIV_ROUND_UP to get
slots required by header data. This is wrong when offset in the page of header
data is not zero, and is also inconsistent with following calculation for
required slot in netbk_gop_skb.
In netbk_gop_skb, required slots are calculated based on offset and len in page
of header data. It is possible that required slots