Re: [PATCH 04/13] mm: update generic_get_unmapped_area[_topdown]() to use vma_flags_t

"Zi Yan" <[email protected]> Mon, 06 Jul 2026 22:29:15 -0400
Newsgroups gmane.comp.freedesktop.xorg.drivers.intel,gmane.linux.ports.mips,gmane.linux.kernel,gmane.linux.ports.ppc64.devel,gmane.comp.video.dri.devel,gmane.linux.ports.arm.kernel,gmane.linux.kernel.samsung-soc,gmane.linux.ports.arm.msm,gmane.comp.freedesktop.xorg.drivers.freedreno,gmane.comp.freedesktop.xorg.nouveau,gmane.linux.ports.arm.rockchip,gmane.linux.ports.tegra,gmane.comp.emulators.xen.devel,gmane.linux.kernel.aio.general,gmane.linux.file-systems,gmane.linux.kernel.mm,gmane.linux.sound
Message-ID <[email protected]> 
On Mon Jun 29, 2026 at 3:25 PM EDT, Lorenzo Stoakes wrote:
> As part of the changes converting VMA flags from a system word size to a
> bitmap, extend this change to generic_get_unmapped_area() and
> generic_get_unmapped_area_topdown(), which also allows us to convert
> stack_guard_placement() as well.
>
> We retain arch_get_unmapped_area() and arch_get_unmapped_area_topdown()
> as-is for now, using legacy_to_vma_flags() as necessary to do so.
>
> No functional change intended.
>
> Signed-off-by: Lorenzo Stoakes <[email protected]>
> ---
>  arch/powerpc/mm/book3s64/slice.c |  6 ++++--
>  include/linux/sched/mm.h         |  4 ++--
>  mm/mmap.c                        | 16 ++++++++--------
>  3 files changed, 14 insertions(+), 12 deletions(-)
>
LGTM.

Reviewed-by: Zi Yan <[email protected]>

--=20
Best Regards,
Yan, Zi