Re: [RFC PATCH v2 11/20] powerpc/mm: Complement huge_pte_alloc() for all non HUGEPD setups

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To: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Subject: Re: [RFC PATCH v2 11/20] powerpc/mm: Complement huge_pte_alloc() for all non HUGEPD setups
From: Oscar Salvador <osalvador@xxxxxxx>
Date: Sat, 25 May 2024 12:33:14 +0200
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>
In-reply-to: <d7da9fcb-2516-4233-b24f-22391cc7a553@csgroup.eu>
References: <cover.1715971869.git.christophe.leroy@csgroup.eu> <59a1390923c40b0b83ae062e3041873292186577.1715971869.git.christophe.leroy@csgroup.eu> <ZlFpPBlLoBZNjd73@localhost.localdomain> <d7da9fcb-2516-4233-b24f-22391cc7a553@csgroup.eu>

On Sat, May 25, 2024 at 06:44:06AM +0000, Christophe Leroy wrote:
> No, all have cont-PMD but only 8xx handles pages greater than PMD_SIZE 
> as cont-PTE instead of cont-PMD.

Yes, sorry, I managed to confuse myself. It is obvious from the code.

-- 
Oscar Salvador
SUSE Labs

References:
- [RFC PATCH v2 00/20] Reimplement huge pages without hugepd on powerpc (8xx, e500, book3s/64)
  - From: Christophe Leroy
- [RFC PATCH v2 11/20] powerpc/mm: Complement huge_pte_alloc() for all non HUGEPD setups
  - From: Christophe Leroy
- Re: [RFC PATCH v2 11/20] powerpc/mm: Complement huge_pte_alloc() for all non HUGEPD setups
  - From: Oscar Salvador
- Re: [RFC PATCH v2 11/20] powerpc/mm: Complement huge_pte_alloc() for all non HUGEPD setups
  - From: Christophe Leroy

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