Re: [x86] Stricter check in follow_huge_addr()

[Ingo Molnar]

* Christoph Lameter <clameter@xxxxxxx> wrote:

> From: Christoph Lameter <clameter@xxxxxxx>
> Subject: Compound Pages: Stricter check in follow_huge_addr
> 
> The first page of the compound page is determined in 
> follow_huge_addr() but then PageCompound() only checks if the page is 
> part of a compound page. PageHead() allows checking if this is indeed 
> the first page of the compound.

thanks Christoph, applied.

btw., what type of real-life problem does this address? Did this trigger 
somewhere? (if yes, do you have any URLs i could put into the 
changelog?)

	Ingo
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