Thread (2 messages) 2 messages, 2 authors, 2022-02-28

Re: [PATCH net-next] net/sysctl: avoid two synchronize_rcu() calls

From: patchwork-bot+netdevbpf@kernel.org
Date: 2022-02-28 11:50:24

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller [off-list ref]:

On Fri, 25 Feb 2022 08:18:55 -0800 you wrote:
From: Eric Dumazet <edumazet@google.com>

Both rps_sock_flow_sysctl() and flow_limit_cpu_sysctl()
are using synchronize_rcu() right before freeing memory
either by vfree() or kfree()

They can switch to kvfree_rcu(ptr) and kfree_rcu(ptr) to benefit
from asynchronous mode, instead of blocking the current thread.

[...]
Here is the summary with links:
  - [net-next] net/sysctl: avoid two synchronize_rcu() calls
    https://git.kernel.org/netdev/net-next/c/b3483bc7a1f2

You are awesome, thank you!
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