Messages in this thread | | | Subject | Re: [PATCH net-next 0/6] page_pool: recycle buffers | From | David Ahern <> | Date | Tue, 23 Mar 2021 08:57:57 -0600 |
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On 3/22/21 11:02 AM, Matteo Croce wrote: > From: Matteo Croce <mcroce@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?
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