netdev - Re: [PATCH net-next] netlink: use kvmalloc() in netlink_alloc_large

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Date: Tue, 27 Feb 2024 19:20:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, eric.dumazet@...il.com, shaozhengchao@...wei.com
Subject: Re: [PATCH net-next] netlink: use kvmalloc() in netlink_alloc_large_skb()

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Sat, 24 Feb 2024 09:06:30 +0000 you wrote:
> This is a followup of commit 234ec0b6034b ("netlink: fix potential
> sleeping issue in mqueue_flush_file"), because vfree_atomic()
> overhead is unfortunate for medium sized allocations.
> 
> 1) If the allocation is smaller than PAGE_SIZE, do not bother
>    with vmalloc() at all. Some arches have 64KB PAGE_SIZE,
>    while NLMSG_GOODSIZE is smaller than 8KB.
> 
> [...]

Here is the summary with links:
  - [net-next] netlink: use kvmalloc() in netlink_alloc_large_skb()
    https://git.kernel.org/netdev/net-next/c/f8cbf6bde4c8

You are awesome, thank you!
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