linux-kernel - Re: [PATCH v1 04/36] x86/Kconfig: drop superfluous "select SPARSEMEM

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Message-ID: <c56903b1-c71b-40d4-8f89-5c2ea34fb90b@lucifer.local>
Date: Thu, 28 Aug 2025 15:25:44 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: David Hildenbrand <david@...hat.com>
Cc: linux-kernel@...r.kernel.org,
        "Mike Rapoport (Microsoft)" <rppt@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Brendan Jackman <jackmanb@...gle.com>,
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Subject: Re: [PATCH v1 04/36] x86/Kconfig: drop superfluous "select
 SPARSEMEM_VMEMMAP"

On Thu, Aug 28, 2025 at 12:01:08AM +0200, David Hildenbrand wrote:
> Now handled by the core automatically once SPARSEMEM_VMEMMAP_ENABLE
> is selected.
>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Signed-off-by: David Hildenbrand <david@...hat.com>

LGTM, so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>

> ---
>  arch/x86/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 58d890fe2100e..e431d1c06fecd 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1552,7 +1552,6 @@ config ARCH_SPARSEMEM_ENABLE
>  	def_bool y
>  	select SPARSEMEM_STATIC if X86_32
>  	select SPARSEMEM_VMEMMAP_ENABLE if X86_64
> -	select SPARSEMEM_VMEMMAP if X86_64
>
>  config ARCH_SPARSEMEM_DEFAULT
>  	def_bool X86_64 || (NUMA && X86_32)
> --
> 2.50.1
>