bpf_arena_free_pages_non_sleepable
void bpf_arena_free_pages_non_sleepable(void *p__map, void *ptr__ign, u32 page_cnt);
addr = (unsigned long)bpf_arena_free_pages_non_sleepable;
bpf_arena_free_pages_non_sleepable(sch->arena_map, p, page_cnt);