On Fri, Dec 07, 2018 at 11:06:55PM -0800, David Miller wrote:

This isn't going to work on 32-bit platforms where dma_addr_t is a u64,
because the page private is unsigned long.

Grep for PHY_ADDR_T_64BIT under arch/ to see the vast majority of the
cases where this happens, then ARCH_DMA_ADDR_T_64BIT.

Noted, thanks for the heads up.

Thanks
/Ilias