On Wed, 29 Jun 2022 21:33:05 +0800 Guangbin Huang wrote: > +#ifdef CONFIG_NUMA > + pref_nid = (pool->p.nid == NUMA_NO_NODE) ? numa_mem_id() : pool->p.nid; > +#else > + /* Ignore pool->p.nid setting if !CONFIG_NUMA */ > + pref_nid = NUMA_NO_NODE; > +#endif Please factor this out to a helper, this is a copy of the code from page_pool_refill_alloc_cache() and #ifdefs are a little yuck.