[PATCH hotfix 6.12 v2 4/8] mm: resolve faulty mmap_region() error path behaviour

[Linus Torvalds]

On Mon, 28 Oct 2024 at 11:00, Vlastimil Babka <vbabka at suse.cz> wrote:
>
> VM_MTE_ALLOWED is also set by arm64's arch_calc_vm_flag_bits():
>
>         if (system_supports_mte() && (flags & MAP_ANONYMOUS))
>                 return VM_MTE_ALLOWED;

Yeah, but that should just move into arch_validate_flags() too.
There's no reason why that's done in a separate place.

                     Linus