src/os/linux/vm/os_linux.cpp

*** 4688,4705 ****
  // Map a block of memory.
  char* os::map_memory(int fd, const char* file_name, size_t file_offset,
                       char *addr, size_t bytes, bool read_only,
                       bool allow_exec) {
    int prot;
!   int flags;
  
    if (read_only) {
      prot = PROT_READ;
-     flags = MAP_SHARED;
    } else {
      prot = PROT_READ | PROT_WRITE;
-     flags = MAP_PRIVATE;
    }
  
    if (allow_exec) {
      prot |= PROT_EXEC;
    }
--- 4688,4703 ----
  // Map a block of memory.
  char* os::map_memory(int fd, const char* file_name, size_t file_offset,
                       char *addr, size_t bytes, bool read_only,
                       bool allow_exec) {
    int prot;
!   int flags = MAP_PRIVATE;
  
    if (read_only) {
      prot = PROT_READ;
    } else {
      prot = PROT_READ | PROT_WRITE;
    }
  
    if (allow_exec) {
      prot |= PROT_EXEC;
    }