keep old variable

Author: mertcanaltin

lib/internal/fs/promises.js

@@ -48,6 +48,7 @@ const { isArrayBufferView } = require('internal/util/types');
 const console = require('internal/console/global');
 const {
   constants: {
+    kIoMaxLength,
     kMaxUserId,
     kReadFileBufferLength,
     kReadFileUnknownBufferLength,
@@ -519,12 +520,11 @@ async function readFileHandle(filehandle, options) {
 
   let size = 0;
   let length = 0;
-  const maxFileSize = 2 ** 31 - 1; // 2 GiB limit for file size
 
   if ((statFields[1 /* mode */] & S_IFMT) === S_IFREG) {
     size = statFields[8 /* size */];
 
-    if (size > maxFileSize) {
+    if (size > kIoMaxLength) {
       process.emitWarning(
         `Warning: Detected \`fs.readFile()\` to read a huge file in memory (${size} bytes). Please consider using \`fs.createReadStream()\` instead to minimize memory overhead and increase the performance.`,
       );