On 3/22/21 11:02 AM, Matteo Croce wrote: > From: Matteo Croce <mcr...@microsoft.com> > > This series enables recycling of the buffers allocated with the page_pool API. > The first two patches are just prerequisite to save space in a struct and > avoid recycling pages allocated with other API. > Patch 2 was based on a previous idea from Jonathan Lemon. > > The third one is the real recycling, 4 fixes the compilation of > __skb_frag_unref > users, and 5,6 enable the recycling on two drivers.
patch 4 should be folded into 3; each patch should build without errors. > > In the last two patches I reported the improvement I have with the series. > > The recycling as is can't be used with drivers like mlx5 which do page split, > but this is documented in a comment. > In the future, a refcount can be used so to support mlx5 with no changes. Is the end goal of the page_pool changes to remove driver private caches?
