+int __rte_experimental
+rte_memseg_contig_walk_thread_unsafe(rte_memseg_contig_walk_t func, void *arg)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ int i, ms_idx, ret = 0;
+
+ for (i = 0; i < RTE_MAX_MEMSEG_LISTS; i++) {
+ struct rte_memseg_list *msl = &mcfg->memsegs[i];
+ const struct rte_memseg *ms;
+ struct rte_fbarray *arr;
+
+ if (msl->memseg_arr.count == 0)
+ continue;
+
+ arr = &msl->memseg_arr;
+
+ ms_idx = rte_fbarray_find_next_used(arr, 0);
+ while (ms_idx >= 0) {
+ int n_segs;
+ size_t len;
+
+ ms = rte_fbarray_get(arr, ms_idx);
+
+ /* find how many more segments there are, starting with
+ * this one.
+ */
+ n_segs = rte_fbarray_find_contig_used(arr, ms_idx);
+ len = n_segs * msl->page_sz;
+
+ ret = func(msl, ms, len, arg);
+ if (ret)
+ return ret;
+ ms_idx = rte_fbarray_find_next_used(arr,
+ ms_idx + n_segs);
+ }
+ }
+ return 0;
+}
+
+int __rte_experimental
+rte_memseg_contig_walk(rte_memseg_contig_walk_t func, void *arg)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ int ret = 0;
+
+ /* do not allow allocations/frees/init while we iterate */
+ rte_rwlock_read_lock(&mcfg->memory_hotplug_lock);
+ ret = rte_memseg_contig_walk_thread_unsafe(func, arg);
+ rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
+
+ return ret;
+}
+
+int __rte_experimental
+rte_memseg_walk_thread_unsafe(rte_memseg_walk_t func, void *arg)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ int i, ms_idx, ret = 0;
+
+ for (i = 0; i < RTE_MAX_MEMSEG_LISTS; i++) {
+ struct rte_memseg_list *msl = &mcfg->memsegs[i];
+ const struct rte_memseg *ms;
+ struct rte_fbarray *arr;
+
+ if (msl->memseg_arr.count == 0)
+ continue;
+
+ arr = &msl->memseg_arr;
+
+ ms_idx = rte_fbarray_find_next_used(arr, 0);
+ while (ms_idx >= 0) {
+ ms = rte_fbarray_get(arr, ms_idx);
+ ret = func(msl, ms, arg);
+ if (ret)
+ return ret;
+ ms_idx = rte_fbarray_find_next_used(arr, ms_idx + 1);
+ }
+ }
+ return 0;
+}
+