Re: Arch specific mmap attributes (Was: mprotect pgprot handling weirdness)

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> Ok, I see. No biggie. The main deal remains how we want to do that
> inside the kernel :-) I think the less horrible options here are
> to either extend vm_flags to always be 64-bit, or add a separate
> vm_map_attributes flag, and add the necessary bits and pieces to
> prevent merge accross different attribute vma's.

vma->vm_flags already have VM_SAO. Why do we need more flags?
At least, I dislike to add separate flags member into vma.
It might introduce unnecessary messy into vma merge thing.



> The more I try to hack it into vm_page_prot, the more I hate that
> option.


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