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SubjectRe: [x86] Stricter check in follow_huge_addr()

* Christoph Lameter <clameter@sgi.com> wrote:

> From: Christoph Lameter <clameter@sgi.com>
> 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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