On 4/20/21 6:46 AM, Guenter Roeck wrote:
> On Wed, Apr 14, 2021 at 09:52:21AM +0800, Xuan Zhuo wrote:
>> In page_to_skb(), if we have enough tailroom to save skb_shared_info, we
>> can use build_skb to create skb directly. No need to alloc for
>> additional space. And it can save a 'frags slot',
On Wed, Apr 14, 2021 at 09:52:21AM +0800, Xuan Zhuo wrote:
> In page_to_skb(), if we have enough tailroom to save skb_shared_info, we
> can use build_skb to create skb directly. No need to alloc for
> additional space. And it can save a 'frags slot', which is very friendly
> to GRO.
>
> Here, if t
在 2021/4/14 上午9:52, Xuan Zhuo 写道:
In page_to_skb(), if we have enough tailroom to save skb_shared_info, we
can use build_skb to create skb directly. No need to alloc for
additional space. And it can save a 'frags slot', which is very friendly
to GRO.
Here, if the payload of the received packag
In page_to_skb(), if we have enough tailroom to save skb_shared_info, we
can use build_skb to create skb directly. No need to alloc for
additional space. And it can save a 'frags slot', which is very friendly
to GRO.
Here, if the payload of the received package is too small (less than
GOOD_COPY_LE
