On Thu, Mar 25, 2021 at 12:53:15PM +0100, Thomas Hellström (Intel) wrote: > Nope. The point here was that in this case, to make sure mmap uses the > correct VA to give us a reasonable chance of alignement, the driver might > need to be aware of and do trickery with the huge page-table-entry sizes > anyway, although I think in most cases a standard helper for this can be > supplied. Of course the driver needs some way to influence the VA mmap uses, gernally it should align to the natural page size of the device Jason
