Hi Andrzej, On Fri, Mar 10, 2023 at 10:23:49AM +0100, Andrzej Hajda wrote: > The callback will be responsible for setting scratch page PTEs for > specified range. In contrast to clear_range it cannot be optimized to nop. > It will be used by code adding guard pages. > > Signed-off-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx> Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> Thanks, Andi