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Date: Sat, 4 May 2013 16:28:25 +1000
From: David Gibson <dwg@au1.ibm.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: [PATCH -V7 04/10] powerpc: Update find_linux_pte_or_hugepte to
 handle transparent hugepages
Message-ID: <20130504062825.GY13041@truffula.fritz.box>
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On Sat, May 04, 2013 at 12:28:20AM +0530, Aneesh Kumar K.V wrote:
> David Gibson <dwg@au1.ibm.com> writes:
>=20
> > On Mon, Apr 29, 2013 at 01:21:45AM +0530, Aneesh Kumar K.V wrote:
> >> From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
> >
> > What's the difference in meaning between pmd_huge() and pmd_large()?
> >
>=20
> #ifndef CONFIG_HUGETLB_PAGE
> #define pmd_huge(x)	0
> #endif
>=20
> Also pmd_large do check for THP PTE flag, and _PAGE_PRESENT.

I don't mean what's the code difference.  I mean what is the semantic
difference between pmd_huge() and pmd_large() supposed to be - in
words.

--=20
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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