On Mon, Jan 21, 2019 at 10:03:53AM +0200, Mike Rapoport wrote:
> 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);
>
> /* report and initialize */
Does it mean that memblock_phys_alloc_try_nid() never returns valid
physical memory starting at 0?
--
Catalin
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