Re: [PATCH V2] net: ethernet: mellanox: correct page conversion

From: Christoph Hellwig
Date: Mon Apr 18 2016 - 08:12:53 EST


On Sat, Apr 16, 2016 at 06:23:32PM -0400, Sinan Kaya wrote:
> Current code is assuming that the address returned by dma_alloc_coherent
> is a logical address. This is not true on ARM/ARM64 systems.

Can you explain what you mean with a 'logical address' and what actual
issue you're trying to solve?