Re: pud_bad vs pud_bad

[Hugh Dickins]

On Thu, 5 Feb 2009, wli@xxxxxxxxxxxxxxxxx wrote:
> 
> The RW bit needs to be allowed to become read-only for hugetlb COW.
> Changing it over to the 32-bit method is a bugfix by that token.

If there's a bugfix to be made there, of course I'm in favour:
but how come we've never seen such a bug?  hugetlb COW has been
around for a year or two by now, hasn't it?

Hugh
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