[PATCH v3 18/23] mm: update vma_supports_mlock() to use new VMA flags

[Vlastimil Babka (SUSE)]

On 3/18/26 16:50, Lorenzo Stoakes (Oracle) wrote:
> We now have the ability to test all of this using the new vma_flags_t
> approach, so let's do so.
> 
> Signed-off-by: Lorenzo Stoakes (Oracle) <ljs at kernel.org>

Acked-by: Vlastimil Babka (SUSE) <vbabka at kernel.org>


> ---
>  mm/internal.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/mm/internal.h b/mm/internal.h
> index 80d8651441a7..708d240b4198 100644
> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -1252,7 +1252,9 @@ static inline struct file *maybe_unlock_mmap_for_io(struct vm_fault *vmf,
>  
>  static inline bool vma_supports_mlock(const struct vm_area_struct *vma)
>  {
> -	if (vma->vm_flags & (VM_SPECIAL | VM_DROPPABLE))
> +	if (vma_test_any_mask(vma, VMA_SPECIAL_FLAGS))
> +		return false;
> +	if (vma_test_single_mask(vma, VMA_DROPPABLE))
>  		return false;
>  	if (vma_is_dax(vma) || is_vm_hugetlb_page(vma))
>  		return false;