Re: Why preallocate pmd in x86 32-bit PAE?

[Linus Torvalds]

On Fri, 16 Nov 2007, Jeremy Fitzhardinge wrote:
> 
> If you happened to do a 1G munmap, it may end up freeing and 
> reallocating them, but that's going to be very rare.

I don't think we ever free the pmd's now, do we?

(Except for the *final* free, of course, when we release the whole VM).

		Linus
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