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SubjectRe: [PATCH net] page_pool: Revert "page_pool: disable dma mapping support..."

This patch was applied to netdev/net.git (master)
by David S. Miller <>:

On Wed, 17 Nov 2021 15:56:52 +0800 you wrote:
> This reverts commit d00e60ee54b12de945b8493cf18c1ada9e422514.
> As reported by Guillaume in [1]:
> Enabling LPAE always enables CONFIG_ARCH_DMA_ADDR_T_64BIT
> in 32-bit systems, which breaks the bootup proceess when a
> ethernet driver is using page pool with PP_FLAG_DMA_MAP flag.
> As we were hoping we had no active consumers for such system
> when we removed the dma mapping support, and LPAE seems like
> a common feature for 32 bits system, so revert it.
> [...]

Here is the summary with links:
- [net] page_pool: Revert "page_pool: disable dma mapping support..."

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