Hello:
This patch was applied to netdev/net-next.git (master) by David S. Miller davem@davemloft.net:
On Wed, 13 Oct 2021 17:19:20 +0800 you wrote:
As the 32-bit arch with 64-bit DMA seems to rare those days, and page pool might carry a lot of code and complexity for systems that possibly.
So disable dma mapping support for such systems, if drivers really want to work on such systems, they have to implement their own DMA-mapping fallback tracking outside page_pool.
[...]
Here is the summary with links: - [net-next,v6] page_pool: disable dma mapping support for 32-bit arch with 64-bit DMA https://git.kernel.org/netdev/net-next/c/d00e60ee54b1
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