[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH net-next 0/4] shrink struct ubuf_info
Hello: This series was applied to netdev/net-next.git (master) by Jakub Kicinski <kuba@xxxxxxxxxx>: On Fri, 23 Sep 2022 17:39:00 +0100 you wrote: > struct ubuf_info is large but not all fields are needed for all > cases. We have limited space in io_uring for it and large ubuf_info > prevents some struct embedding, even though we use only a subset > of the fields. It's also not very clean trying to use this typeless > extra space. > > Shrink struct ubuf_info to only necessary fields used in generic paths, > namely ->callback, ->refcnt and ->flags, which take only 16 bytes. And > make MSG_ZEROCOPY and some other users to embed it into a larger struct > ubuf_info_msgzc mimicking the former ubuf_info. > > [...] Here is the summary with links: - [net-next,1/4] net: introduce struct ubuf_info_msgzc https://git.kernel.org/netdev/net-next/c/6eaab4dfdd30 - [net-next,2/4] xen/netback: use struct ubuf_info_msgzc https://git.kernel.org/netdev/net-next/c/b63ca3e822e7 - [net-next,3/4] vhost/net: use struct ubuf_info_msgzc https://git.kernel.org/netdev/net-next/c/dfff202be5ea - [net-next,4/4] net: shrink struct ubuf_info https://git.kernel.org/netdev/net-next/c/e7d2b510165f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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