linux-kernel - Re: [PATCH] powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH

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Date:   Sat, 28 May 2022 22:53:07 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Laurent Dufour <ldufour@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH_MMU is set

On Tue, 24 May 2022 07:42:05 +0200, Christophe Leroy wrote:
> When CONFIG_PPC_64S_HASH_MMU is not set, slice.c is not built and
> arch_get_unmapped_area() and arch_get_unmapped_area_topdown() are
> not provided because RADIX uses the generic ones.
> 
> Therefore, neither set HAVE_ARCH_UNMAPPED_AREA nor
> HAVE_ARCH_UNMAPPED_AREA_TOPDOWN.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH_MMU is set
      https://git.kernel.org/powerpc/c/c85ab4fe33065ca1fdcac26f0c00c837fe727ba7

cheers