linux-kernel - Re: [RFC PATCH v2 14/20] powerpc/e500: Remove enc field from struct mmu_psize

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Message-ID: <ZlFqlO7oic7_Isn4@localhost.localdomain>
Date: Sat, 25 May 2024 06:35:32 +0200
From: Oscar Salvador <osalvador@...e.de>
To: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Jason Gunthorpe <jgg@...dia.com>, Peter Xu <peterx@...hat.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [RFC PATCH v2 14/20] powerpc/e500: Remove enc field from struct
 mmu_psize_def

On Fri, May 17, 2024 at 09:00:08PM +0200, Christophe Leroy wrote:
> enc field is hidden behind BOOK3E_PAGESZ_XX macros, and when you look
> closer you realise that this field is nothing else than the value of
> shift minus ten.
> 
> So remove enc field and calculate tsize from shift field.
> 
> Also remove inc filed which is unused.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>

Reviewed-by: Oscar Salvador <osalvador@...e.de>

-- 
Oscar Salvador
SUSE Labs