equal
deleted
inserted
replaced
64 } |
64 } |
65 } |
65 } |
66 |
66 |
67 void GenerationSizer::initialize_size_info() { |
67 void GenerationSizer::initialize_size_info() { |
68 trace_gen_sizes("ps heap raw"); |
68 trace_gen_sizes("ps heap raw"); |
69 const size_t page_sz = os::page_size_for_region(_min_heap_byte_size, |
69 const size_t max_page_sz = os::page_size_for_region(_max_heap_byte_size, 8); |
70 _max_heap_byte_size, |
70 const size_t min_pages = 4; // 1 for eden + 1 for each survivor + 1 for old |
71 8); |
71 const size_t min_page_sz = os::page_size_for_region(_min_heap_byte_size, min_pages); |
|
72 const size_t page_sz = MIN2(max_page_sz, min_page_sz); |
72 |
73 |
73 // Can a page size be something else than a power of two? |
74 // Can a page size be something else than a power of two? |
74 assert(is_power_of_2((intptr_t)page_sz), "must be a power of 2"); |
75 assert(is_power_of_2((intptr_t)page_sz), "must be a power of 2"); |
75 size_t new_alignment = round_to(page_sz, _gen_alignment); |
76 size_t new_alignment = round_to(page_sz, _gen_alignment); |
76 if (new_alignment != _gen_alignment) { |
77 if (new_alignment != _gen_alignment) { |