From: Pingfan Liu kernelfans@gmail.com
commit f40fe31c01445f31253b15bef2412b33ae31093b upstream.
There is numa_add_cpu() when cpus online, accordingly, there should be numa_remove_cpu() when cpus offline.
Signed-off-by: Pingfan Liu kernelfans@gmail.com Fixes: 4f0e8eef772e ("riscv: Add numa support for riscv64 platform") Cc: stable@vger.kernel.org [Palmer: Add missing NUMA include] Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/riscv/kernel/cpu-hotplug.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/arch/riscv/kernel/cpu-hotplug.c +++ b/arch/riscv/kernel/cpu-hotplug.c @@ -12,6 +12,7 @@ #include <linux/sched/hotplug.h> #include <asm/irq.h> #include <asm/cpu_ops.h> +#include <asm/numa.h> #include <asm/sbi.h>
void cpu_stop(void); @@ -46,6 +47,7 @@ int __cpu_disable(void) return ret;
remove_cpu_topology(cpu); + numa_remove_cpu(cpu); set_cpu_online(cpu, false); irq_migrate_all_off_this_cpu();