[PATCH v3 10/23] mm/vma: introduce vma_flags_same[_mask/_pair]()

Vlastimil Babka (SUSE) vbabka at kernel.org
Fri Mar 20 04:31:20 AEDT 2026


On 3/18/26 16:50, Lorenzo Stoakes (Oracle) wrote:
> Add helpers to determine if two sets of VMA flags are precisely the same,
> that is - that every flag set one is set in another, and neither contain
> any flags not set in the other.
> 
> We also introduce vma_flags_same_pair() for cases where we want to compare
> two sets of VMA flags which are both non-const values.
> 
> Also update the VMA tests to reflect the change, we already implicitly
> test that this functions correctly having used it for testing purposes
> previously.
> 
> Signed-off-by: Lorenzo Stoakes (Oracle) <ljs at kernel.org>

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




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