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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Mike Rapoport <rppt@linux.ibm.com>, linux-mm@kvack.org
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Subject: Re: [PATCH v2 06/21] memblock: memblock_phys_alloc_try_nid(): don't panic
In-Reply-To: <1548057848-15136-7-git-send-email-rppt@linux.ibm.com>
References: <1548057848-15136-1-git-send-email-rppt@linux.ibm.com> <1548057848-15136-7-git-send-email-rppt@linux.ibm.com>
Date:   Tue, 29 Jan 2019 20:56:54 +1100
Message-ID: <87y373rdll.fsf@concordia.ellerman.id.au>
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Sender: linux-kernel-owner@vger.kernel.org
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Mike Rapoport <rppt@linux.ibm.com> writes:

> diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
> index ae34e3a..2c61ea4 100644
> --- a/arch/arm64/mm/numa.c
> +++ b/arch/arm64/mm/numa.c
> @@ -237,6 +237,10 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
>  		pr_info("Initmem setup node %d [<memory-less node>]\n", nid);
>  
>  	nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
> +	if (!nd_pa)
> +		panic("Cannot allocate %zu bytes for node %d data\n",
> +		      nd_size, nid);
> +
>  	nd = __va(nd_pa);

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers