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 org.kernel.vger.linux-fbdev,dev.linux.lists.virtualization,org.freedesktop.lists.dri-devel,org.freedesktop.lists.intel-gfx,org.freedesktop.lists.intel-xe,org.freedesktop.lists.nouveau,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mips,org.kernel.vger.linux-samsung-soc,org.kernel.vger.linux-sound,org.kernel.vger.linux-tegra,org.kvack.linux-mm,org.ozlabs.lists.linuxppc-dev,org.xenproject.lists.xen-devel
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]>

-- 
Best Regards,
Yan, Zi