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From: Ingo Molnar <mingo@elte.hu>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-kernel@vger.kernel.org, Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [x86] Stricter check in follow_huge_addr()
Date: Thu, 27 Mar 2008 09:13:18 +0100	[thread overview]
Message-ID: <20080327081318.GA15626@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.64.0803262101060.2683@schroedinger.engr.sgi.com>


* 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

  reply	other threads:[~2008-03-27  8:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-27  4:03 Christoph Lameter
2008-03-27  8:13 ` Ingo Molnar [this message]
2008-03-27 18:43   ` Christoph Lameter

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