Re: [PATCH net] NTB: ntb_netdev: Preserve RX queue depth on allocation failure

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Newsgroups dev.linux.lists.ntb,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <178644000589.433486.12965345737157483071.git-patchwork-notify@kernel.org>
Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <[email protected]>:

On Thu,  6 Aug 2026 12:25:37 +0900 you wrote:
> ntb_netdev_rx_handler() hands the received skb to the network stack
> before allocating its replacement. If the allocation fails, nothing is
> reposted. Every failure therefore takes one buffer out of the RX queue
> while the interface remains up, and enough failures eventually stall
> reception.
> 
> A retry path could refill the queue later, but ntb_netdev has none.
> Allocate the replacement first instead. If that fails, drop the packet
> and repost the same skb. This keeps the queue full and lets packet
> delivery resume as soon as memory is available again.
> 
> [...]

Here is the summary with links:
  - [net] NTB: ntb_netdev: Preserve RX queue depth on allocation failure
    https://git.kernel.org/netdev/net/c/d2121faf133a

You are awesome, thank you!
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