Re: [PATCH] x86/mm/numa: Use NUMA_NO_NODE when calling memblock_set_node()

From: Mike Rapoport
Date: Mon Jun 03 2024 - 10:27:54 EST


On Mon, Jun 03, 2024 at 04:10:05PM +0200, Borislav Petkov wrote:
> From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>
>
> memblock_set_node() warns about using MAX_NUMNODES, see
>
> e0eec24e2e19 ("memblock: make memblock_set_node() also warn about use of MAX_NUMNODES")
>
> for details.
>
> Reported-by: Narasimhan V <Narasimhan.V@xxxxxxx>
> Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>

Reviewed-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>

> ---
> arch/x86/mm/numa.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
> index ce84ba86e69e..b44a3ae51e9a 100644
> --- a/arch/x86/mm/numa.c
> +++ b/arch/x86/mm/numa.c
> @@ -614,9 +614,9 @@ static int __init numa_init(int (*init_func)(void))
> nodes_clear(node_online_map);
> memset(&numa_meminfo, 0, sizeof(numa_meminfo));
> WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.memory,
> - MAX_NUMNODES));
> + NUMA_NO_NODE));
> WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.reserved,
> - MAX_NUMNODES));
> + NUMA_NO_NODE));
> /* In case that parsing SRAT failed. */
> WARN_ON(memblock_clear_hotplug(0, ULLONG_MAX));
> numa_reset_distance();
> --
> 2.43.0
>

--
Sincerely yours,
Mike.