The @node passed to cpumask_of_node() can be NUMA_NO_NODE, in that case we should just return cpu_all_mask. Signed-off-by: Zhengyuan Liu <liuzhengyuan@xxxxxxxxxxxxx> --- arch/mips/include/asm/mach-loongson64/topology.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h index 3414a1fd1783..57f0306fcf34 100644 --- a/arch/mips/include/asm/mach-loongson64/topology.h +++ b/arch/mips/include/asm/mach-loongson64/topology.h @@ -7,7 +7,9 @@ #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2) extern cpumask_t __node_cpumask[]; -#define cpumask_of_node(node) (&__node_cpumask[node]) +#define cpumask_of_node(node) ((node) == -1 ? \ + cpu_all_mask : \ + &__node_cpumask[node]) struct pci_bus; extern int pcibus_to_node(struct pci_bus *); -- 2.20.1