Symbol: ARG_PTR_TO_MEM_OR_NULL
kernel/bpf/helpers.c
1080
.arg1_type = ARG_PTR_TO_MEM_OR_NULL | MEM_WRITE,
kernel/trace/bpf_trace.c
1537
.arg2_type = ARG_PTR_TO_MEM_OR_NULL | MEM_WRITE,