Hello:
This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@xxxxxxxxxxxxx>:
On Thu, 16 Feb 2023 16:30:47 +0800 you wrote:
> When we try to start AF_XDP on some machines with long running time, due
> to the machine's memory fragmentation problem, there is no sufficient
> contiguous physical memory that will cause the start failure.
>
> If the size of the queue is 8 * 1024, then the size of the desc[] is
> 8 * 1024 * 8 = 16 * PAGE, but we also add struct xdp_ring size, so it is
> 16page+. This is necessary to apply for a 4-order memory. If there are a
> lot of queues, it is difficult to these machine with long running time.
>
> [...]
Here is the summary with links:
- [net-next,v4] xsk: support use vaddr as ring
https://git.kernel.org/netdev/net-next/c/9f78bf330a66
You are awesome, thank you!
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