Re: [PATCH 2/2] mm: introduce MAP_VALIDATE, a mechanism for for safely defining new mmap flags

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> +/*
> + * The historical set of flags that all mmap implementations implicitly
> + * support when file_operations.mmap_supported_mask is zero. With the
> + * mmap3 syscall the deprecated MAP_DENYWRITE and MAP_EXECUTABLE bit
> + * values are explicitly rejected with EOPNOTSUPP rather than being
> + * silently accepted.
> + */

no mmap3 syscall here :)

Do you also need to update the nommu mmap implementation?
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