274 static void __metadata_dst_init(struct metadata_dst *md_dst,  in __metadata_dst_init()  argument
279 	dst = &md_dst->dst;  in __metadata_dst_init()
282 	memset(dst + 1, 0, sizeof(*md_dst) + optslen - sizeof(*dst));  in __metadata_dst_init()
283 	md_dst->type = type;  in __metadata_dst_init()
289 	struct metadata_dst *md_dst;  in metadata_dst_alloc()  local
291 	md_dst = kmalloc(sizeof(*md_dst) + optslen, flags);  in metadata_dst_alloc()
292 	if (!md_dst)  in metadata_dst_alloc()
295 	__metadata_dst_init(md_dst, type, optslen);  in metadata_dst_alloc()
297 	return md_dst;  in metadata_dst_alloc()
301 void metadata_dst_free(struct metadata_dst *md_dst)  in metadata_dst_free()  argument
304 	if (md_dst->type == METADATA_IP_TUNNEL)  in metadata_dst_free()
305 		dst_cache_destroy(&md_dst->u.tun_info.dst_cache);  in metadata_dst_free()
307 	if (md_dst->type == METADATA_XFRM)  in metadata_dst_free()
308 		dst_release(md_dst->u.xfrm_info.dst_orig);  in metadata_dst_free()
309 	kfree(md_dst);  in metadata_dst_free()
317 	struct metadata_dst __percpu *md_dst;  in metadata_dst_alloc_percpu()  local
319 	md_dst = __alloc_percpu_gfp(sizeof(struct metadata_dst) + optslen,  in metadata_dst_alloc_percpu()
321 	if (!md_dst)  in metadata_dst_alloc_percpu()
325 		__metadata_dst_init(per_cpu_ptr(md_dst, cpu), type, optslen);  in metadata_dst_alloc_percpu()
327 	return md_dst;  in metadata_dst_alloc_percpu()
331 void metadata_dst_free_percpu(struct metadata_dst __percpu *md_dst)  in metadata_dst_free_percpu()  argument
336 		struct metadata_dst *one_md_dst = per_cpu_ptr(md_dst, cpu);  in metadata_dst_free_percpu()
345 	free_percpu(md_dst);  in metadata_dst_free_percpu()