diff --git a/make/autoconf/flags-cflags.m4 b/make/autoconf/flags-cflags.m4
index 57c2878f6eb..e9ac391a920 100644
--- a/make/autoconf/flags-cflags.m4
+++ b/make/autoconf/flags-cflags.m4
@@ -479,7 +479,7 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
 [
   #### OS DEFINES, these should be independent on toolchain
   if test "x$OPENJDK_TARGET_OS" = xlinux; then
-    CFLAGS_OS_DEF_JVM="-DLINUX"
+    CFLAGS_OS_DEF_JVM="-DLINUX -D_FILE_OFFSET_BITS=64"
     CFLAGS_OS_DEF_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
   elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
     CFLAGS_OS_DEF_JVM="-D_ALLBSD_SOURCE -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE"
diff --git a/src/hotspot/os/linux/attachListener_linux.cpp b/src/hotspot/os/linux/attachListener_linux.cpp
index 41a24c45007..0e98bca0607 100644
--- a/src/hotspot/os/linux/attachListener_linux.cpp
+++ b/src/hotspot/os/linux/attachListener_linux.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -184,6 +184,8 @@ int LinuxAttachListener::init() {
   char initial_path[UNIX_PATH_MAX];  // socket file during setup
   int listener;                      // listener socket (file descriptor)
 
+  static_assert(sizeof(off_t) == 8, "Expected Large File Support in this file");
+
   // register function to cleanup
   if (!_atexit_registered) {
     _atexit_registered = true;
@@ -446,14 +448,14 @@ AttachOperation* AttachListener::dequeue() {
 
 void AttachListener::vm_start() {
   char fn[UNIX_PATH_MAX];
-  struct stat64 st;
+  struct stat st;
   int ret;
 
   int n = snprintf(fn, UNIX_PATH_MAX, "%s/.java_pid%d",
            os::get_temp_directory(), os::current_process_id());
   assert(n < (int)UNIX_PATH_MAX, "java_pid file name buffer overflow");
 
-  RESTARTABLE(::stat64(fn, &st), ret);
+  RESTARTABLE(::stat(fn, &st), ret);
   if (ret == 0) {
     ret = ::unlink(fn);
     if (ret == -1) {
@@ -473,8 +475,8 @@ int AttachListener::pd_init() {
 
 bool AttachListener::check_socket_file() {
   int ret;
-  struct stat64 st;
-  ret = stat64(LinuxAttachListener::path(), &st);
+  struct stat st;
+  ret = stat(LinuxAttachListener::path(), &st);
   if (ret == -1) { // need to restart attach listener.
     log_debug(attach)("Socket file %s does not exist - Restart Attach Listener",
                       LinuxAttachListener::path());
@@ -513,14 +515,14 @@ bool AttachListener::is_init_trigger() {
   }
   char fn[PATH_MAX + 1];
   int ret;
-  struct stat64 st;
+  struct stat st;
   os::snprintf_checked(fn, sizeof(fn), ".attach_pid%d", os::current_process_id());
-  RESTARTABLE(::stat64(fn, &st), ret);
+  RESTARTABLE(::stat(fn, &st), ret);
   if (ret == -1) {
     log_trace(attach)("Failed to find attach file: %s, trying alternate", fn);
     snprintf(fn, sizeof(fn), "%s/.attach_pid%d",
              os::get_temp_directory(), os::current_process_id());
-    RESTARTABLE(::stat64(fn, &st), ret);
+    RESTARTABLE(::stat(fn, &st), ret);
     if (ret == -1) {
       log_debug(attach)("Failed to find attach file: %s", fn);
     }
diff --git a/src/hotspot/os/linux/os_linux.cpp b/src/hotspot/os/linux/os_linux.cpp
index d9fcf9a2145..df0ddbfed7d 100644
--- a/src/hotspot/os/linux/os_linux.cpp
+++ b/src/hotspot/os/linux/os_linux.cpp
@@ -2772,6 +2772,8 @@ void os::jvm_path(char *buf, jint buflen) {
 void linux_wrap_code(char* base, size_t size) {
   static volatile jint cnt = 0;
 
+  static_assert(sizeof(off_t) == 8, "Expected Large File Support in this file");
+
   if (!UseOprofile) {
     return;
   }
@@ -4262,7 +4264,7 @@ jlong os::Linux::fast_thread_cpu_time(clockid_t clockid) {
 // the number of bytes written to out_fd is returned if transfer was successful
 // otherwise, returns -1 that implies an error
 jlong os::Linux::sendfile(int out_fd, int in_fd, jlong* offset, jlong count) {
-  return ::sendfile64(out_fd, in_fd, (off64_t*)offset, (size_t)count);
+  return ::sendfile(out_fd, in_fd, (off_t*)offset, (size_t)count);
 }
 
 // Determine if the vmid is the parent pid for a child in a PID namespace.
@@ -4940,14 +4942,14 @@ int os::open(const char *path, int oflag, int mode) {
   oflag |= O_CLOEXEC;
 #endif
 
-  int fd = ::open64(path, oflag, mode);
+  int fd = ::open(path, oflag, mode);
   if (fd == -1) return -1;
 
   //If the open succeeded, the file might still be a directory
   {
-    struct stat64 buf64;
-    int ret = ::fstat64(fd, &buf64);
-    int st_mode = buf64.st_mode;
+    struct stat buf;
+    int ret = ::fstat(fd, &buf);
+    int st_mode = buf.st_mode;
 
     if (ret != -1) {
       if ((st_mode & S_IFMT) == S_IFDIR) {
@@ -4984,17 +4986,17 @@ int os::open(const char *path, int oflag, int mode) {
 int os::create_binary_file(const char* path, bool rewrite_existing) {
   int oflags = O_WRONLY | O_CREAT;
   oflags |= rewrite_existing ? O_TRUNC : O_EXCL;
-  return ::open64(path, oflags, S_IREAD | S_IWRITE);
+  return ::open(path, oflags, S_IREAD | S_IWRITE);
 }
 
 // return current position of file pointer
 jlong os::current_file_offset(int fd) {
-  return (jlong)::lseek64(fd, (off64_t)0, SEEK_CUR);
+  return (jlong)::lseek(fd, (off_t)0, SEEK_CUR);
 }
 
 // move file pointer to the specified offset
 jlong os::seek_to_file_offset(int fd, jlong offset) {
-  return (jlong)::lseek64(fd, (off64_t)offset, SEEK_SET);
+  return (jlong)::lseek(fd, (off_t)offset, SEEK_SET);
 }
 
 // Map a block of memory.
diff --git a/src/hotspot/os/posix/os_posix.cpp b/src/hotspot/os/posix/os_posix.cpp
index 1158392fa49..6dc697a69ff 100644
--- a/src/hotspot/os/posix/os_posix.cpp
+++ b/src/hotspot/os/posix/os_posix.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -287,6 +287,7 @@ static char* reserve_mmapped_memory(size_t bytes, char* requested_addr) {
 }
 
 static int util_posix_fallocate(int fd, off_t offset, off_t len) {
+  static_assert(sizeof(off_t) == 8, "Expected Large File Support in this file");
 #ifdef __APPLE__
   fstore_t store = { F_ALLOCATECONTIG, F_PEOFPOSMODE, 0, len };
   // First we try to get a continuous chunk of disk space
@@ -752,11 +753,11 @@ void os::dll_unload(void *lib) {
 }
 
 jlong os::lseek(int fd, jlong offset, int whence) {
-  return (jlong) BSD_ONLY(::lseek) NOT_BSD(::lseek64)(fd, offset, whence);
+  return (jlong) ::lseek(fd, offset, whence);
 }
 
 int os::ftruncate(int fd, jlong length) {
-   return BSD_ONLY(::ftruncate) NOT_BSD(::ftruncate64)(fd, length);
+   return ::ftruncate(fd, length);
 }
 
 const char* os::get_current_directory(char *buf, size_t buflen) {
diff --git a/src/hotspot/os/posix/os_posix.hpp b/src/hotspot/os/posix/os_posix.hpp
index 8c71516f70b..d872a6dae89 100644
--- a/src/hotspot/os/posix/os_posix.hpp
+++ b/src/hotspot/os/posix/os_posix.hpp
@@ -31,7 +31,7 @@
 
 // Note: the Posix API aims to capture functionality available on all Posix
 // compliant platforms, but in practice the implementations may depend on
-// non-Posix functionality. For example, the use of lseek64 and ftruncate64.
+// non-Posix functionality.
 // This use of non-Posix API's is made possible by compiling/linking in a mode
 // that is not restricted to being fully Posix complaint, such as by declaring
 // -D_GNU_SOURCE. But be aware that in doing so we may enable non-Posix