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diff --git a/storage/innobase/include/ut0byte.h b/storage/innobase/include/ut0byte.h
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+/*****************************************************************************
+
+Copyright (c) 1994, 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 include/ut0byte.h
+Utilities for byte operations
+
+Created 1/20/1994 Heikki Tuuri
+***********************************************************************/
+
+#ifndef ut0byte_h
+#define ut0byte_h
+
+#include "univ.i"
+
+/*******************************************************//**
+Creates a 64-bit integer out of two 32-bit integers.
+@return created integer */
+UNIV_INLINE
+ib_uint64_t
+ut_ull_create(
+/*==========*/
+	ulint	high,	/*!< in: high-order 32 bits */
+	ulint	low)	/*!< in: low-order 32 bits */
+	MY_ATTRIBUTE((const));
+
+/********************************************************//**
+Rounds a 64-bit integer downward to a multiple of a power of 2.
+@return rounded value */
+UNIV_INLINE
+ib_uint64_t
+ut_uint64_align_down(
+/*=================*/
+	ib_uint64_t	 n,		/*!< in: number to be rounded */
+	ulint		 align_no);	/*!< in: align by this number
+					which must be a power of 2 */
+/********************************************************//**
+Rounds ib_uint64_t upward to a multiple of a power of 2.
+@return rounded value */
+UNIV_INLINE
+ib_uint64_t
+ut_uint64_align_up(
+/*===============*/
+	ib_uint64_t	 n,		/*!< in: number to be rounded */
+	ulint		 align_no);	/*!< in: align by this number
+					which must be a power of 2 */
+/** Round down a pointer to the nearest aligned address.
+@param ptr        pointer
+@param alignment  a power of 2
+@return aligned pointer */
+static inline void *ut_align_down(void *ptr, size_t alignment)
+{
+  ut_ad(alignment > 0);
+  ut_ad(ut_is_2pow(alignment));
+  ut_ad(ptr);
+  static_assert(sizeof ptr == sizeof(size_t), "compatibility");
+
+  return reinterpret_cast<void*>(reinterpret_cast<size_t>(ptr) &
+                                 ~(alignment - 1));
+}
+
+static inline const void *ut_align_down(const void *ptr, size_t alignment)
+{
+  return ut_align_down(const_cast<void*>(ptr), alignment);
+}
+
+/** Compute the offset of a pointer from the nearest aligned address.
+@param ptr        pointer
+@param alignment  a power of 2
+@return distance from aligned pointer */
+inline size_t ut_align_offset(const void *ptr, size_t alignment)
+{
+  ut_ad(alignment > 0);
+  ut_ad(ut_is_2pow(alignment));
+  ut_ad(ptr);
+  return reinterpret_cast<size_t>(ptr) & (alignment - 1);
+}
+
+/*****************************************************************//**
+Gets the nth bit of a ulint.
+@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */
+UNIV_INLINE
+ibool
+ut_bit_get_nth(
+/*===========*/
+	ulint	a,	/*!< in: ulint */
+	ulint	n);	/*!< in: nth bit requested */
+
+#include "ut0byte.inl"
+
+#endif