Re: [PATCH net-next 0/2] net: do not warn on best-effort skb allocation failures

From: patchwork-bot+netdevbpf

Date: Tue Jun 30 2026 - 20:22:41 EST


Hello:

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

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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