[PATCH 2/6] mm: add vma_desc_test_all() and use it

[Andrew Morton]

On Thu,  5 Mar 2026 10:50:15 +0000 "Lorenzo Stoakes (Oracle)" <ljs at kernel.org> wrote:

> erofs and zonefs are using vma_desc_test_any() twice to check whether all
> of VMA_SHARED_BIT and VMA_MAYWRITE_BIT are set, this is silly, so add
> vma_desc_test_all() to test all flags and update erofs and zonefs to use
> it.
> 
> While we're here, update the helper function comments to be more
> consistent.
> 
> Also add the same to the VMA test headers.

fwiw, we have no review tags on this one.