Re: [PATCH v2 1/7] userfaultfd: move core VMA manipulation logic to mm/userfaultfd.c

[Liam R. Howlett]

* Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> [240704 15:28]:
> This patch forms part of a patch series intending to separate out VMA logic
> and render it testable from userspace, which requires that core
> manipulation functions be exposed in an mm/-internal header file.
> 
> In order to do this, we must abstract APIs we wish to test, in this
> instance functions which ultimately invoke vma_modify().
> 
> This patch therefore moves all logic which ultimately invokes vma_modify()
> to mm/userfaultfd.c, trying to transfer code at a functional granularity
> where possible.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>

Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>