Re: [net-next, RFC, 4/8] net: core: add recycle capabilities on skbs via page_pool API

[Eric Dumazet]

On 12/08/2018 12:14 PM, Ilias Apalodimas wrote:
> On Sat, Dec 08, 2018 at 09:11:53PM +0100, Jesper Dangaard Brouer wrote:
>>>  
>>> I want to make sure you guys thought about splice() stuff, and
>>> skb_try_coalesce(), and GRO, and skb cloning, and ...
>>
>> Thanks for the pointers. To Ilias, we need to double check skb_try_coalesce()
>> code path, as it does look like we don't handle this correctly.
>>
> 
> Noted. We did check skb cloning, but not this one indeed

There is also TCP RX zero copy to consider ( tcp_zerocopy_receive() )
but more generally all paths that can grab pages from skbs.