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Message-ID: <1463990507.3078.16.camel@kernel.crashing.org>
Subject: Re: PAGE_GUARDED
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christian Zigotzky <chzigotzky@xenosoft.de>, linuxppc-dev@lists.ozlabs.org
Cc: darren@stevens-zone.net
Date: Mon, 23 May 2016 18:01:47 +1000
In-Reply-To: <8B4C4AB7-5C17-4992-935A-361153472793@xenosoft.de>
References: <8B4C4AB7-5C17-4992-935A-361153472793@xenosoft.de>
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On Mon, 2016-05-23 at 06:38 +0200, Christian Zigotzky wrote:
> Hi All,
> 
> You removed PAGE_GUARDED in the commit  
> 
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commi
> t/?id=c04a5880299eab3da8c10547db96ea9cdffd44a6
> 
> We use
> 
> range.size, _PAGE_NO_CACHE|_PAGE_GUARDED);
> 
> This doesn't work anymore. What can we use instead?

You should just use pgprot_noncached()

Cheers,
Ben.