deleted free_all_memory(), global variable hyperblock_ptr

include/runtime/arena.h

@@ -14,6 +14,11 @@ class arena {
 public:
   arena(char id)
       : allocation_semispace_id(id) { }
+
+  // Allocates the requested number of bytes as a contiguous region and returns a
+  // pointer to the first allocated byte.
+  // If called with requested size greater than the maximun single allocation
+  // size, the space is allocated in a general (not garbage collected pool).
   void *kore_arena_alloc(size_t requested);
 
   // Returns the address of the first byte that belongs in the given arena.
@@ -114,10 +119,6 @@ extern thread_local bool time_for_collection;
 
 size_t get_gc_threshold();
 
-// Allocates the requested number of bytes as a contiguous region and returns a
-// pointer to the first allocated byte.
-// If called with requested size greater than the maximun single allocation
-// size, the space is allocated in a general (not garbage collected pool).
 inline void *arena::kore_arena_alloc(size_t requested) {
   if (block + requested > block_end) {
     return do_alloc_slow(requested);
@@ -130,8 +131,6 @@ inline void *arena::kore_arena_alloc(size_t requested) {
   return result;
 }
 
-// Deallocates all the memory allocated for registered arenas.
-void free_all_memory(void);
 }
 
 #endif // ARENA_H

runtime/alloc/arena.cpp

@@ -33,7 +33,6 @@ arena::get_arena_semispace_id_of_object(void *ptr) {
 //	We will reserve enough address space for 1 million 1MB blocks. Might want to increase this on a > 1TB server.
 //
 size_t const HYPERBLOCK_SIZE = (size_t)BLOCK_SIZE * 1024 * 1024;
-static thread_local void *hyperblock_ptr = nullptr; // only needed for munmap()
 
 static void *megabyte_malloc() {
   //
@@ -64,7 +63,6 @@ static void *megabyte_malloc() {
       perror("mmap()");
       abort();
     }
-    hyperblock_ptr = addr;
     //
     //	We ask for one block worth of address space less than we allocated so alignment will always succeed.
     //	We don't worry about unused address space either side of our aligned address space because there will be no
@@ -76,13 +74,6 @@ static void *megabyte_malloc() {
   return currentblock_ptr;
 }
 
-void free_all_memory() {
-  //
-  //	Frees all memory that was demand paged into this address range.
-  //
-  munmap(hyperblock_ptr, HYPERBLOCK_SIZE);
-}
-
 #ifdef __MACH__
 //
 //	thread_local disabled for Apple