Re: [PATCH] ELF: supply userspace with available page shifts (AT_PAGE_SHIFT_LIST)

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* Alexey Dobriyan:

> +/*
> + * Page sizes available for mmap(2) encoded as 1 page shift per byte in
> + * increasing order.
> + *
> + * Thus 32-bit systems get 4 shifts, 64-bit systems get 8 shifts tops.

Couldn't you use the bits in a long instead, to indicate which shifts
are present?  That's always going to be enough.

Thanks,
Florian





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