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From:   Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Date:   Tue, 21 Jul 2020 05:23:08 +0200
Message-ID: <CAM9Jb+i7wMqXWXdnaeXmRQN8w8305A5WRKsnE9PAkxgUs2c++Q@mail.gmail.com>
Subject: Re: [PATCH v3 3/6] sh/mm: use default dummy memory_add_physaddr_to_nid()
To:     Jia He <justin.he@arm.com>
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Tony Luck <tony.luck@intel.com>,
        Fenghua Yu <fenghua.yu@intel.com>,
        Yoshinori Sato <ysato@users.sourceforge.jp>,
        Rich Felker <dalias@libc.org>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        David Hildenbrand <david@redhat.com>, x86@kernel.org,
        "H. Peter Anvin" <hpa@zytor.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Baoquan He <bhe@redhat.com>,
        Chuhong Yuan <hslester96@gmail.com>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Michal Hocko <mhocko@suse.com>,
        linux-arm-kernel@lists.infradead.org,
        LKML <linux-kernel@vger.kernel.org>, linux-ia64@vger.kernel.org,
        linux-sh@vger.kernel.org, linux-nvdimm@lists.01.org,
        Linux MM <linux-mm@kvack.org>,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>,
        Kaly Xin <Kaly.Xin@arm.com>
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> After making default memory_add_physaddr_to_nid in mm/memory_hotplug,
> there is no use to define a similar one in arch specific directory.
>
> Signed-off-by: Jia He <justin.he@arm.com>
> ---
>  arch/sh/mm/init.c | 9 ---------
>  1 file changed, 9 deletions(-)
>
> diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
> index a70ba0fdd0b3..f75932ba87a6 100644
> --- a/arch/sh/mm/init.c
> +++ b/arch/sh/mm/init.c
> @@ -430,15 +430,6 @@ int arch_add_memory(int nid, u64 start, u64 size,
>         return ret;
>  }
>
> -#ifdef CONFIG_NUMA
> -int memory_add_physaddr_to_nid(u64 addr)
> -{
> -       /* Node 0 for now.. */
> -       return 0;
> -}
> -EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
> -#endif
> -
>  void arch_remove_memory(int nid, u64 start, u64 size,
>                         struct vmem_altmap *altmap)
>  {

Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>