From: patchwork-bot+netdevbpf@kernel.org
To: Breno Leitao <leitao@debian.org>
Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
asantostc@gmail.com, gustavold@gmail.com, vlad.wing@gmail.com,
kernel-team@meta.com
Subject: Re: [PATCH net-next 0/2] net: do not warn on best-effort skb allocation failures
Date: Wed, 01 Jul 2026 00:20:19 +0000 [thread overview]
Message-ID: <178286521963.349616.5346803906628044237.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260629-netpoll_no_warn-v1-0-f380f0b2cd0c@debian.org>
Hello:
This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 29 Jun 2026 04:45:39 -0700 you wrote:
> Both netconsole and netpoll keep a small preallocated pool of skbs
> (skb_pool) so they can still get a buffer under memory pressure.
>
> On the hot path they first attempt a normal GFP_ATOMIC allocation and only
> fall back to the pool when that fails, keeping the pool as a last resort.
>
> This is where the problem happens. If alloc_skb() fails, we now have
> more than 100 message coming from the page=0 failure, which consumes the
> scarce pool of skb, making the real issue disappear.
>
> [...]
Here is the summary with links:
- [net-next,1/2] netconsole: do not warn when the best-effort skb allocation fails
https://git.kernel.org/netdev/net-next/c/09f7a613a14f
- [net-next,2/2] netpoll: do not warn when the best-effort pool refill fails
https://git.kernel.org/netdev/net-next/c/84c0ff1efb62
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-07-01 0:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 11:45 [PATCH net-next 0/2] net: do not warn on best-effort skb allocation failures Breno Leitao
2026-06-29 11:45 ` [PATCH net-next 1/2] netconsole: do not warn when the best-effort skb allocation fails Breno Leitao
2026-06-29 11:45 ` [PATCH net-next 2/2] netpoll: do not warn when the best-effort pool refill fails Breno Leitao
2026-07-01 0:20 ` patchwork-bot+netdevbpf [this message]
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