linux-kernel - Re: [PATCH v8 08/16] ARM: LPAE: Page table maintenance for the 3-level format

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Date:	Fri, 11 Nov 2011 10:54:51 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Nicolas Pitre <nico@...xnic.net>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 08/16] ARM: LPAE: Page table maintenance for the
 3-level format

On Thu, Nov 10, 2011 at 09:59:33PM +0000, Nicolas Pitre wrote:
> On Mon, 7 Nov 2011, Catalin Marinas wrote:
> 
> > This patch modifies the pgd/pmd/pte manipulation functions to support
> > the 3-level page table format. Since there is no need for an 'ext'
> > argument to cpu_set_pte_ext(), this patch conditionally defines a
> > different prototype for this function when CONFIG_ARM_LPAE.
> 
> Maybe it doesn't make sense to still call it cpu_set_pte_ext then?

We could do this but it adds several #ifdef's, especially if we also
change macro names like set_pte_ext(). Otherwise we could leave the
latter macro unchanged and only change the name in the processor
structure. But I think it just adds more clutter.

-- 
Catalin
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