Cleanup: Remove RECV_READ_AHEAD_AREA

Let us directly use the constant 32 in recv_read_in_area().

storage/innobase/log/log0recv.cc

@@ -2,7 +2,7 @@
 
 Copyright (c) 1997, 2017, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
-Copyright (c) 2013, 2021, MariaDB Corporation.
+Copyright (c) 2013, 2022, 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
@@ -56,9 +56,6 @@ Created 9/20/1997 Heikki Tuuri
 #include "srv0start.h"
 #include "fil0pagecompress.h"
 
-/** Read-ahead area in applying log records to file pages */
-#define RECV_READ_AHEAD_AREA	32U
-
 /** The recovery system */
 recv_sys_t	recv_sys;
 /** TRUE when recv_init_crash_recovery() has been called. */
@@ -2519,11 +2516,9 @@ page number.
 @param[in]	page_id	page id */
 static void recv_read_in_area(page_id_t page_id)
 {
-	uint32_t page_nos[RECV_READ_AHEAD_AREA];
-	compile_time_assert(ut_is_2pow(RECV_READ_AHEAD_AREA));
-	page_id.set_page_no(ut_2pow_round(page_id.page_no(),
-					  RECV_READ_AHEAD_AREA));
-	const ulint up_limit = page_id.page_no() + RECV_READ_AHEAD_AREA;
+	uint32_t page_nos[32];
+	page_id.set_page_no(ut_2pow_round(page_id.page_no(), 32U));
+	const uint32_t up_limit = page_id.page_no() + 32;
 	uint32_t* p = page_nos;
 
 	for (recv_sys_t::map::iterator i= recv_sys.pages.lower_bound(page_id);