src/share/vm/gc/parallel/psParallelCompact.cpp

*** 430,440 ****
  ParallelCompactData::create_vspace(size_t count, size_t element_size)
  {
    const size_t raw_bytes = count * element_size;
    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);
    ReservedSpace rs(_reserved_byte_size, rs_align, rs_align > 0);
    os::trace_page_sizes("Parallel Compact Data", raw_bytes, raw_bytes, page_sz, rs.base(),
--- 430,440 ----
  ParallelCompactData::create_vspace(size_t count, size_t element_size)
  {
    const size_t raw_bytes = count * element_size;
    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_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);
    ReservedSpace rs(_reserved_byte_size, rs_align, rs_align > 0);
    os::trace_page_sizes("Parallel Compact Data", raw_bytes, raw_bytes, page_sz, rs.base(),
*** 1982,1992 ****
    // in the total; otherwise the next young gen GC will simply bail out to a
    // full GC.
    const size_t alignment = old_gen->virtual_space()->alignment();
    const size_t eden_used = eden_space->used_in_bytes();
    const size_t promoted = (size_t)size_policy->avg_promoted()->padded_average();
!   const size_t absorb_size = align_size_up(eden_used + promoted, alignment);
    const size_t eden_capacity = eden_space->capacity_in_bytes();
  
    if (absorb_size >= eden_capacity) {
      return false; // Must leave some space in eden.
    }
--- 1982,1992 ----
    // in the total; otherwise the next young gen GC will simply bail out to a
    // full GC.
    const size_t alignment = old_gen->virtual_space()->alignment();
    const size_t eden_used = eden_space->used_in_bytes();
    const size_t promoted = (size_t)size_policy->avg_promoted()->padded_average();
!   const size_t absorb_size = align_up(eden_used + promoted, alignment);
    const size_t eden_capacity = eden_space->capacity_in_bytes();
  
    if (absorb_size >= eden_capacity) {
      return false; // Must leave some space in eden.
    }