linux-kernel - Re: [PATCH] x86 headers: include linux/types.h

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Message-ID: <49959EFA.8040507@goop.org>
Date:	Fri, 13 Feb 2009 08:25:30 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86 headers: include linux/types.h

Ingo Molnar wrote:
> Regarding the fixlet below - wouldnt PTE_FLAGS_MASK be better placed in
> pgtable_types.h ? It's specifically related to the pte format. OTOH we
> have a lot of PTE details in the page_*types.h files already.
>   

No, you're right.

> The boundary between page_types.h and pgtable_types.h does not seem to
> be clear to me - what is the principle you followed?
>   

Well, basically anything to do with the internals of a pte*_t go in 
pgtable.h.  PTE_*_MASK should go there too, and is an oversight (though 
its on the margin because of its dependency on the page size/mask 
definitions in page*.h).

    J
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