42 |
42 |
43 const size_t words = bits / BitsPerWord; |
43 const size_t words = bits / BitsPerWord; |
44 const size_t raw_bytes = words * sizeof(idx_t); |
44 const size_t raw_bytes = words * sizeof(idx_t); |
45 const size_t page_sz = os::page_size_for_region_aligned(raw_bytes, 10); |
45 const size_t page_sz = os::page_size_for_region_aligned(raw_bytes, 10); |
46 const size_t granularity = os::vm_allocation_granularity(); |
46 const size_t granularity = os::vm_allocation_granularity(); |
47 _reserved_byte_size = align_size_up(raw_bytes, MAX2(page_sz, granularity)); |
47 _reserved_byte_size = align_up(raw_bytes, MAX2(page_sz, granularity)); |
48 |
48 |
49 const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 : |
49 const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 : |
50 MAX2(page_sz, granularity); |
50 MAX2(page_sz, granularity); |
51 ReservedSpace rs(_reserved_byte_size, rs_align, rs_align > 0); |
51 ReservedSpace rs(_reserved_byte_size, rs_align, rs_align > 0); |
52 os::trace_page_sizes("Mark Bitmap", raw_bytes, raw_bytes, page_sz, |
52 os::trace_page_sizes("Mark Bitmap", raw_bytes, raw_bytes, page_sz, |