Commit 3b54c715 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/pseries: use slab context cpumask allocation in CPU hotplug init 



Slab is up at this point, using the bootmem allocator triggers a
warning. Switch to using the regular cpumask allocator.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Tested-by: default avatarSachin Sant <sachinp@linux.vnet.ibm.com>
Reviewed-by: default avatarNathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: default avatarLaurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105132923.1582514-1-npiggin@gmail.com
parent af47d79b

arch/powerpc/platforms/pseries/hotplug-cpu.c

+5 −4
Original line number Diff line number Diff line
@@ -864,11 +864,12 @@ static int __init pseries_cpu_hotplug_init(void) 
	/* Processors can be added/removed only on LPAR */

	if (firmware_has_feature(FW_FEATURE_LPAR)) {

		for_each_node(node) {

			alloc_bootmem_cpumask_var(&node_recorded_ids_map[node]);

			if (!alloc_cpumask_var_node(&node_recorded_ids_map[node],

						    GFP_KERNEL, node))

				return -ENOMEM;



			/* Record ids of CPU added at boot time */

			cpumask_or(node_recorded_ids_map[node],

				   node_recorded_ids_map[node],

			cpumask_copy(node_recorded_ids_map[node],

				     cpumask_of_node(node));

		}