Factor out getting the host page size

Factor out getting the page size of the host into a separate
function. This will be used in a subsequent patch.

No functional change intended.

Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20230717121232.3559948-2-tabba@google.com
Signed-off-by: Will Deacon <will@kernel.org>
1 file changed