Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:
On Fri, 2 Oct 2026 21:36:47 -0400 you wrote:
> Commit 730ff06d3f5c ("net: mana: Use page pool fragments for RX buffers
> instead of full pages to improve memory efficiency.") started handing
> out RX buffers with zero headroom so that two buffers fit into one page
> at the default MTU.
>
> The MANA TX path, however, stores the per scatter-gather entry DMA
> mappings in `struct mana_skb_head` at skb->head, and mana_start_xmit()
> therefore calls skb_cow_head(skb, MANA_HEADROOM). The port advertises
> this requirement as ndev->needed_headroom = MANA_HEADROOM.
>
> [...]
Here is the summary with links:
- [net,v2] net: mana: reserve RX buffer headroom to fix forwarding performance
https://git.kernel.org/netdev/net/c/259c4a519100
You are awesome, thank you!
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