39 const size_t granularity = os::vm_allocation_granularity(); |
39 const size_t granularity = os::vm_allocation_granularity(); |
40 const size_t bytes = align_size_up(raw_bytes, MAX2(page_sz, granularity)); |
40 const size_t bytes = align_size_up(raw_bytes, MAX2(page_sz, granularity)); |
41 |
41 |
42 const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 : |
42 const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 : |
43 MAX2(page_sz, granularity); |
43 MAX2(page_sz, granularity); |
44 ReservedSpace rs(bytes, rs_align, false); |
44 ReservedSpace rs(bytes, rs_align, rs_align > 0); |
45 os::trace_page_sizes("par bitmap", raw_bytes, raw_bytes, page_sz, |
45 os::trace_page_sizes("par bitmap", raw_bytes, raw_bytes, page_sz, |
46 rs.base(), rs.size()); |
46 rs.base(), rs.size()); |
47 _virtual_space = new PSVirtualSpace(rs, page_sz); |
47 _virtual_space = new PSVirtualSpace(rs, page_sz); |
48 if (_virtual_space != NULL && _virtual_space->expand_by(bytes)) { |
48 if (_virtual_space != NULL && _virtual_space->expand_by(bytes)) { |
49 _region_start = covered_region.start(); |
49 _region_start = covered_region.start(); |