*** old/src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp	Tue Dec 27 14:58:51 2011
--- new/src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp	Tue Dec 27 14:58:51 2011

*** 280,290 ****
--- 280,290 ----
      assert(region().contains(aligned_region), "Sanity");
      // First we tell the OS which page size we want in the given range. The underlying
      // large page can be broken down if we require small pages.
      os::realign_memory((char*)aligned_region.start(), aligned_region.byte_size(), page_size());
      // Then we uncommit the pages in the range.
!     os::free_memory((char*)aligned_region.start(), aligned_region.byte_size(), page_size());
      // And make them local/first-touch biased.
      os::numa_make_local((char*)aligned_region.start(), aligned_region.byte_size(), lgrp_id);
    }
  }
  

*** 295,305 ****
--- 295,305 ----
    if (end > start) {
      MemRegion aligned_region(start, end);
      assert((intptr_t)aligned_region.start()     % page_size() == 0 &&
             (intptr_t)aligned_region.byte_size() % page_size() == 0, "Bad alignment");
      assert(region().contains(aligned_region), "Sanity");
!     os::free_memory((char*)aligned_region.start(), aligned_region.byte_size(), page_size());
    }
  }
  
  // Update space layout. Perform adaptation.
  void MutableNUMASpace::update() {

*** 952,962 ****
--- 952,962 ----
        break;
      }
      if (e != scan_end) {
        if ((page_expected.size != page_size || page_expected.lgrp_id != lgrp_id())
            && page_expected.size != 0) {
!         os::free_memory(s, pointer_delta(e, s, sizeof(char)), page_size);
        }
        page_expected = page_found;
      }
      s = e;
    }