[PATCH v3 37/40] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS

David Hildenbrand (Arm) david at kernel.org
Fri Oct 2 00:07:49 PDT 2026


On 9/17/26 18:22, Lorenzo Stoakes (ARM) wrote:
> Every user of the VM_SPECIAL or VMA_SPECIAL_FLAGS has now been converted to
> predicates which explicitly express what is actually being checked for
> rather than the nebulous concept of possessing 'special' VMA flags.
> 
> In any case 'special' is not so special a term of art in mm - it includes
> VDSO/VVAR mappings, special in the sense of vm_normal_folio() and probably
> other cases too.
> 
> Therefore make things less special by eliminating these now unused flags.
> 
> No functional change intended.
> 
> Signed-off-by: Lorenzo Stoakes (ARM) <ljs at kernel.org>
> ---

Awesome, thanks for doing that!

Acked-by: David Hildenbrand (Arm) <david at kernel.org>

-- 
Cheers,

David



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