[PATCH 1/6] arm64/mm: add explicit struct_mm argument to __create_mapping()

Steve Capper steve.capper at linaro.org
Fri Oct 24 08:23:28 PDT 2014


On Fri, Oct 24, 2014 at 02:39:39PM +0200, Ard Biesheuvel wrote:
> Currently, swapper_pg_dir and idmap_pg_dir share the init_mm mm_struct
> instance. To allow the introduction of other pg_dir instances, for instance,
> for UEFI's mapping of Runtime Services, make the struct_mm instance an
> explicit argument that gets passed down to the pmd and pte instantiation
> functions. Note that the consumers (pmd_populate/pgd_populate) of the
> mm_struct argument don't actually inspect it, but let's fix it for
> correctness' sake.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>

Acked-by: Steve Capper <steve.capper at linaro.org>



More information about the linux-arm-kernel mailing list