In architecture like powerpc, we can have cpus without any local memory attached to it. In such cases the node does not have real memory. Use local_memory_node(), which is guaranteed to have memory. local_memory_node is a noop in other architectures that does not support memoryless nodes. Signed-off-by: Xianting Tian <tian.xianting@xxxxxxx> --- kernel/bpf/cpumap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index 6386b7bb9..2c885c00a 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -423,7 +423,7 @@ __cpu_map_entry_alloc(struct bpf_cpumap_val *value, u32 cpu, int map_id) struct xdp_bulk_queue *bq; /* Have map->numa_node, but choose node of redirect target CPU */ - numa = cpu_to_node(cpu); + numa = local_memory_node(cpu_to_node(cpu)); rcpu = kzalloc_node(sizeof(*rcpu), gfp, numa); if (!rcpu) -- 2.17.1
