void *new_ptr = rte_malloc_socket(NULL, size, align, socket);
if (new_ptr == NULL)
return NULL;
- const unsigned old_size = elem->size - MALLOC_ELEM_OVERHEAD;
+ /* elem: |pad|data_elem|data|trailer| */
+ const size_t old_size = elem->size - elem->pad - MALLOC_ELEM_OVERHEAD;
rte_memcpy(new_ptr, ptr, old_size < size ? old_size : size);
rte_free(ptr);