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Date:   Sat, 12 Mar 2022 07:40:16 +0000
To:     Eric Dumazet <>
Subject: Re: [PATCH v4 net-next] net: add per-cpu storage and net->core_stats


This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <>:

On Thu, 10 Mar 2022 21:14:20 -0800 you wrote:
> From: Eric Dumazet <>
> Before adding yet another possibly contended atomic_long_t,
> it is time to add per-cpu storage for existing ones:
>  dev->tx_dropped, dev->rx_dropped, and dev->rx_nohandler
> Because many devices do not have to increment such counters,
> allocate the per-cpu storage on demand, so that dev_get_stats()
> does not have to spend considerable time folding zero counters.
> [...]

Here is the summary with links:
  - [v4,net-next] net: add per-cpu storage and net->core_stats

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