Re: [PATCH 01/13] mm: introduce vma_flags_can_grow() and vma_can_grow()

[Lance Yang]

On Mon, Jun 29, 2026 at 08:25:24PM +0100, Lorenzo Stoakes wrote:
>These test whether the VMA has stack sematics, i.e. is able to grow upwards
>or downwards depending on the architecture.
>
>In order to account for arches which do not support upward-growing stacks,
>introduce VMA_GROWSUP whose definition depends on the architecture
>supporting it, and use vma_flags_test_single_mask() in vma_flags_can_grow()
>to account for this.
>
>Update the VMA userland tests to reflect the changes
>
>No functional change intended.
>
>Signed-off-by: Lorenzo Stoakes <ljs@xxxxxxxxxx>
>---

Nice cleanup! Feel free to add:

Reviewed-by: Lance Yang <lance.yang@xxxxxxxxx>