[...] > > + /* Driver set this to memory recycling info. Reset it on recycle. > > + * This will *not* work for NIC using a split-page memory model. > > + * The page will be returned to the pool here regardless of the > > + * 'flipped' fragment being in use or not. > > + */ > > I am not sure I understand how does the last part of comment related > to the code below, as there is no driver using split-page memory model > will reach here because those driver will not call skb_mark_for_recycle(), > right? > Yes the comment is there to prohibit people (mlx5 only actually) to add the recycling bit on their driver. Because if they do it will *probably* work but they might get random corrupted packets which will be hard to debug. > > + page->pp = NULL; > > + page_pool_put_full_page(pp, virt_to_head_page(data), false); > > + > > + return true; > > +} > > +EXPORT_SYMBOL(page_pool_return_skb_page); >
