Re: [PATCH net-next 0/2] net: mana: Avoid DMA queue allocation failure under memory fragmentation

[email protected] Thu, 13 Aug 2026 11:56:33 +0000

Newsgroups	org.kernel.vger.linux-hyperv,org.kernel.vger.linux-kernel,org.kernel.vger.linux-rdma,org.kernel.vger.netdev
Message-ID	<178662219370.2393133.1968964194642913945.git-patchwork-notify@kernel.org>

Hello:

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

On Fri,  7 Aug 2026 13:56:34 -0700 you wrote:
> The MANA driver can fail to bring up its queues on systems with high
> memory utilization because every GDMA queue ring is allocated as a
> single dma_alloc_coherent() of the whole power-of-2 ring size. Under
> memory fragmentation these high-order allocations may fail, preventing
> the driver from creating queues when opening the interface, after a VF
> reset, or when reconfiguring channels, ring parameters or MTU.
> 
> [...]

Here is the summary with links:
  - [net-next,1/2] net: mana: Route ring-buffer access through offset-based helpers
    https://git.kernel.org/netdev/net-next/c/1da1a037bc60
  - [net-next,2/2] net: mana: Fall back to scattered pages for GDMA queues
    https://git.kernel.org/netdev/net-next/c/23adfc77c22c

You are awesome, thank you!
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