H. Peter Anvin <[EMAIL PROTECTED]> wrote:

>       if (size <= (1UL << page_shift))
>               return 0;
>       else
>               return __ilog2_u32(size-1)+1-page_shift;

I think you're right.  That'll also defend against the result of __ilog2_u32()
being less than page_shift-1.

I think I can dispense with the page_shift argument.  IIRC __get_order() was
overridden by some arch, but isn't now.

David
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