src/os/linux/vm/os_linux.hpp

@@ -33,10 +33,11 @@
 // Information about the protection of the page at address '0' on this os.
 static bool zero_page_read_protected() { return true; }
 
 class Linux {
   friend class os;
+  friend class OSContainer;
   friend class TestReserveMemorySpecial;
 
   // For signal-chaining
 #define MAXSIGNUM 32
   static struct sigaction sigact[MAXSIGNUM]; // saved preinstalled sigactions

@@ -77,10 +78,13 @@
   static int _page_size;
   static const int _vm_default_page_size;
 
   static julong available_memory();
   static julong physical_memory() { return _physical_memory; }
+  static void set_physical_memory(julong phys_mem) { _physical_memory = phys_mem; }
+  static int active_processor_count();
+
   static void initialize_system_info();
 
   static int commit_memory_impl(char* addr, size_t bytes, bool exec);
   static int commit_memory_impl(char* addr, size_t bytes,
                                 size_t alignment_hint, bool exec);

@@ -114,10 +118,11 @@
   static bool release_memory_special_impl(char* base, size_t bytes);
   static bool release_memory_special_shm(char* base, size_t bytes);
   static bool release_memory_special_huge_tlbfs(char* base, size_t bytes);
 
   static void print_full_memory_info(outputStream* st);
+  static void print_container_info(outputStream* st);
   static void print_distro_info(outputStream* st);
   static void print_libversion_info(outputStream* st);
 
  public:
   static bool _stack_is_executable;