[PATCH 2/3] mm: update core kernel code to use vm_flags_t consistently

David Hildenbrand david at redhat.com
Tue Jun 24 00:17:46 AEST 2025


On 18.06.25 21:42, Lorenzo Stoakes wrote:
> The core kernel code is currently very inconsistent in its use of
> vm_flags_t vs. unsigned long. This prevents us from changing the type of
> vm_flags_t in the future and is simply not correct, so correct this.
> 
> While this results in rather a lot of churn, it is a critical pre-requisite
> for a future planned change to VMA flag type.
> 
> Additionally, update VMA userland tests to account for the changes.
> 
> To make review easier and to break things into smaller parts, driver and
> architecture-specific changes is left for a subsequent commit.
> 
> The code has been adjusted to cascade the changes across all calling code
> as far as is needed.
> 
> We will adjust architecture-specific and driver code in a subsequent patch.
> 
> Overall, this patch does not introduce any functional change.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes at oracle.com>
> ---

Probably some cases might sneak in in the meantime :)

Acked-by: David Hildenbrand <david at redhat.com>

-- 
Cheers,

David / dhildenb



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