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Date: Sun, 17 Jan 2021 03:10:07 +0000 From: patchwork-bot+netdevbpf@...nel.org To: Alexander Lobakin <alobakin@...me> Cc: davem@...emloft.net, kuba@...nel.org, willemb@...gle.com, linmiaohe@...wei.com, edumazet@...gle.com, fw@...len.de, linyunsheng@...wei.com, steffen.klassert@...unet.com, gnault@...hat.com, dseok.yi@...sung.com, kyk.segfault@...il.com, viro@...iv.linux.org.uk, elver@...gle.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 net] skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too Hello: This patch was applied to netdev/net.git (refs/heads/master): On Fri, 15 Jan 2021 15:04:40 +0000 you wrote: > Commit 3226b158e67c ("net: avoid 32 x truesize under-estimation for > tiny skbs") ensured that skbs with data size lower than 1025 bytes > will be kmalloc'ed to avoid excessive page cache fragmentation and > memory consumption. > However, the fix adressed only __napi_alloc_skb() (primarily for > virtio_net and napi_get_frags()), but the issue can still be achieved > through __netdev_alloc_skb(), which is still used by several drivers. > Drivers often allocate a tiny skb for headers and place the rest of > the frame to frags (so-called copybreak). > Mirror the condition to __netdev_alloc_skb() to handle this case too. > > [...] Here is the summary with links: - [v2,net] skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too https://git.kernel.org/netdev/net/c/66c556025d68 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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