Re: [PATCH net-next] net: ibm: emac: size RX buffers for the MTU

From: patchwork-bot+netdevbpf

Date: Thu Oct 15 2026 - 07:25:32 EST


Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Wed, 7 Oct 2026 20:51:22 -0700 you wrote:
> Any MTU above ETH_DATA_LEN selects the largest MAL buffer size of 4080
> bytes. A DSA conduit always runs with a slightly larger MTU for the
> switch tag (1502 for qca8k), so every received frame then uses an 8K
> slab object and a 4K cache invalidate even though it is at most 1520
> bytes long. Size the buffers for the MTU instead, capped at the MAL
> maximum as before. Larger jumbo frames still span several descriptors.
>
> [...]

Here is the summary with links:
- [net-next] net: ibm: emac: size RX buffers for the MTU
https://git.kernel.org/netdev/net-next/c/73022f605c44

You are awesome, thank you!
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