< prev index next >
src/share/vm/gc_implementation/parallelScavenge/generationSizer.cpp
Print this page
rev 7526 : 8066875: VirtualSpace does not use large pages (01)
*** 59,71 ****
}
}
void GenerationSizer::initialize_size_info() {
trace_gen_sizes("ps heap raw");
! const size_t max_page_sz = os::page_size_for_region(_max_heap_byte_size, 8);
const size_t min_pages = 4; // 1 for eden + 1 for each survivor + 1 for old
! const size_t min_page_sz = os::page_size_for_region(_min_heap_byte_size, min_pages);
const size_t page_sz = MIN2(max_page_sz, min_page_sz);
// Can a page size be something else than a power of two?
assert(is_power_of_2((intptr_t)page_sz), "must be a power of 2");
size_t new_alignment = round_to(page_sz, _gen_alignment);
--- 59,71 ----
}
}
void GenerationSizer::initialize_size_info() {
trace_gen_sizes("ps heap raw");
! const size_t max_page_sz = os::page_size_for_region_aligned(_max_heap_byte_size, 8);
const size_t min_pages = 4; // 1 for eden + 1 for each survivor + 1 for old
! const size_t min_page_sz = os::page_size_for_region_aligned(_min_heap_byte_size, min_pages);
const size_t page_sz = MIN2(max_page_sz, min_page_sz);
// Can a page size be something else than a power of two?
assert(is_power_of_2((intptr_t)page_sz), "must be a power of 2");
size_t new_alignment = round_to(page_sz, _gen_alignment);
< prev index next >