src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.cpp

rev 7526 : 8066875: VirtualSpace does not use large pages (01)

*** 39,49 ****
    // an integral number of words.
    assert(bits % (BitsPerWord * 2) == 0, "region size unaligned");
  
    const size_t words = bits / BitsPerWord;
    const size_t raw_bytes = words * sizeof(idx_t);
!   const size_t page_sz = os::page_size_for_region(raw_bytes, 10);
    const size_t granularity = os::vm_allocation_granularity();
    _reserved_byte_size = align_size_up(raw_bytes, MAX2(page_sz, granularity));
  
    const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 :
      MAX2(page_sz, granularity);
--- 39,49 ----
    // an integral number of words.
    assert(bits % (BitsPerWord * 2) == 0, "region size unaligned");
  
    const size_t words = bits / BitsPerWord;
    const size_t raw_bytes = words * sizeof(idx_t);
!   const size_t page_sz = os::page_size_for_region_aligned(raw_bytes, 10);
    const size_t granularity = os::vm_allocation_granularity();
    _reserved_byte_size = align_size_up(raw_bytes, MAX2(page_sz, granularity));
  
    const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 :
      MAX2(page_sz, granularity);