linux-kernel - Re: [PATCH 1/2] powerpc/8xx: Refactor calculation of number of entries per PTE in page tables

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Message-Id: <160034201341.3339803.11663256745878554872.b4-ty@ellerman.id.au>
Date:   Thu, 17 Sep 2020 21:27:16 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] powerpc/8xx: Refactor calculation of number of entries per PTE in page tables

On Mon, 31 Aug 2020 08:30:43 +0000 (UTC), Christophe Leroy wrote:
> On 8xx, the number of entries occupied by a PTE in the page tables
> depends on the size of the page. At the time being, this calculation
> is done in two places: in pte_update() and in set_huge_pte_at()
> 
> Refactor this calculation into a helper called
> number_of_cells_per_pte(). For the time being, the val param is
> unused. It will be used by following patch.
> 
> [...]

Applied to powerpc/next.

[1/2] powerpc/8xx: Refactor calculation of number of entries per PTE in page tables
      https://git.kernel.org/powerpc/c/175a99991511fed16108dcb823f0af8e72325a1f
[2/2] powerpc/8xx: Support 16k hugepages with 4k pages
      https://git.kernel.org/powerpc/c/e47168f3d1b14af5281cf50c59561d59d28201f9

cheers