Re: [PATCH 14/30] mm/vma: minor cleanup of expand_[upwards, downwards]()

From: Pedro Falcato

Date: Thu Jul 02 2026 - 06:58:50 EST


On Mon, Jun 29, 2026 at 01:23:25PM +0100, Lorenzo Stoakes wrote:
> Adjust the stack expansion functions expand_upwards() and
> expand_downwards() such that they are expressed in terms of named constant
> values, and make use of vma_start_pgoff().
>
> This clearly documents that we are referencing the page offset of the start
> of the VMA.
>
> Additionally this cleans up the overflow check in expand_upwards().
>
> No functional change intended.
>
> Signed-off-by: Lorenzo Stoakes <ljs@xxxxxxxxxx>

Reviewed-by: Pedro Falcato <pfalcato@xxxxxxx>

--
Pedro