From: Jan Beulich <jbeulich@xxxxxxxx> commit 3ac36aa7307363b7247ccb6f6a804e11496b2b36 upstream. 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: Jan Beulich <jbeulich@xxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx [bp: commit message] Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx> Reviewed-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx> Link: https://lore.kernel.org/r/20240603141005.23261-1-bp@xxxxxxxxxx Link: https://lore.kernel.org/r/abadb736-a239-49e4-ab42-ace7acdd4278@xxxxxxxx Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/mm/numa.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -523,7 +523,7 @@ static void __init numa_clear_kernel_nod for_each_reserved_mem_region(mb_region) { int nid = memblock_get_region_node(mb_region); - if (nid != MAX_NUMNODES) + if (nid != NUMA_NO_NODE) node_set(nid, reserved_nodemask); } @@ -643,9 +643,9 @@ static int __init numa_init(int (*init_f 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(); Patches currently in stable-queue which might be from jbeulich@xxxxxxxx are queue-5.10/x86-mm-numa-use-numa_no_node-when-calling-memblock_set_node.patch