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diff --git a/storage/innobase/ut/ut0new.cc b/storage/innobase/ut/ut0new.cc
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+/*****************************************************************************
+
+Copyright (c) 2014, 2016, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2019, 2020, MariaDB Corporation.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************//**
+@file ut/ut0new.cc
+Instrumented memory allocator.
+
+Created May 26, 2014 Vasil Dimov
+*******************************************************/
+
+#include "univ.i"
+#include "ut0new.h"
+/** The total amount of memory currently allocated from the operating
+system with allocate_large(). */
+Atomic_counter<ulint> os_total_large_mem_allocated;
+
+/** Maximum number of retries to allocate memory. */
+const size_t	alloc_max_retries = 60;
+
+/** Keys for registering allocations with performance schema.
+Keep this list alphabetically sorted. */
+#ifdef BTR_CUR_HASH_ADAPT
+PSI_memory_key	mem_key_ahi;
+#endif /* BTR_CUR_HASH_ADAPT */
+PSI_memory_key	mem_key_buf_buf_pool;
+PSI_memory_key	mem_key_dict_stats_bg_recalc_pool_t;
+PSI_memory_key	mem_key_dict_stats_index_map_t;
+PSI_memory_key	mem_key_dict_stats_n_diff_on_level;
+PSI_memory_key	mem_key_other;
+PSI_memory_key	mem_key_row_log_buf;
+PSI_memory_key	mem_key_row_merge_sort;
+PSI_memory_key	mem_key_std;
+
+#ifdef UNIV_PFS_MEMORY
+
+/** Auxiliary array of performance schema 'PSI_memory_info'.
+Each allocation appears in
+performance_schema.memory_summary_global_by_event_name (and alike) in the form
+of e.g. 'memory/innodb/NAME' where the last component NAME is picked from
+the list below:
+1. If key is specified, then the respective name is used
+2. Without a specified key, allocations from inside std::* containers use
+   mem_key_std
+3. Without a specified key, allocations from outside std::* pick up the key
+   based on the file name, and if file name is not found in the predefined list
+   (in ut_new_boot()) then mem_key_other is used.
+Keep this list alphabetically sorted. */
+static PSI_memory_info	pfs_info[] = {
+#ifdef BTR_CUR_HASH_ADAPT
+  {&mem_key_ahi, "adaptive hash index", 0},
+#endif /* BTR_CUR_HASH_ADAPT */
+  {&mem_key_buf_buf_pool, "buf_buf_pool", 0},
+  {&mem_key_dict_stats_bg_recalc_pool_t, "dict_stats_bg_recalc_pool_t", 0},
+  {&mem_key_dict_stats_index_map_t, "dict_stats_index_map_t", 0},
+  {&mem_key_dict_stats_n_diff_on_level, "dict_stats_n_diff_on_level", 0},
+  {&mem_key_other, "other", 0},
+  {&mem_key_row_log_buf, "row_log_buf", 0},
+  {&mem_key_row_merge_sort, "row_merge_sort", 0},
+  {&mem_key_std, "std", 0},
+};
+
+static const int NKEYS = static_cast<int>UT_ARR_SIZE(auto_event_names)-1;
+static PSI_memory_key auto_event_keys[NKEYS];
+
+/** Setup the internal objects needed for UT_NEW() to operate.
+This must be called before the first call to UT_NEW(). */
+void ut_new_boot()
+{
+  PSI_MEMORY_CALL(register_memory)("innodb", pfs_info, static_cast<int>
+                                   UT_ARR_SIZE(pfs_info));
+
+  PSI_memory_info pfs_info_auto[NKEYS];
+  for (int i= 0; i < NKEYS; i++)
+  {
+    pfs_info_auto[i]= {&auto_event_keys[i], auto_event_names[i], 0};
+  }
+
+  PSI_MEMORY_CALL(register_memory)("innodb", pfs_info_auto,NKEYS);
+}
+
+/** Retrieve a memory key (registered with PFS), corresponding to source file .
+
+@param[in] autoevent_idx - offset to the auto_event_names corresponding to the
+file name of the caller.
+
+@return registered memory key or PSI_NOT_INSTRUMENTED
+*/
+PSI_memory_key ut_new_get_key_by_file(uint32_t autoevent_idx)
+{
+  ut_ad(autoevent_idx < NKEYS);
+  return auto_event_keys[autoevent_idx];
+}
+
+#else /* UNIV_PFS_MEMORY */
+void ut_new_boot(){}
+#endif