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comparison src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp @ 22976:5788dbd1f2d6

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8066875: VirtualSpace does not use large pages Reviewed-by: stefank, tschatzl, anoll, thartmann
author ehelin
date Fri, 16 Jan 2015 10:29:12 +0100
parents c2ce24504334
children dd9cc155639c
comparison
equal deleted inserted replaced
22975:cc5c3ef1f03a 22976:5788dbd1f2d6
399 399
400 PSVirtualSpace* 400 PSVirtualSpace*
401 ParallelCompactData::create_vspace(size_t count, size_t element_size) 401 ParallelCompactData::create_vspace(size_t count, size_t element_size)
402 { 402 {
403 const size_t raw_bytes = count * element_size; 403 const size_t raw_bytes = count * element_size;
404 const size_t page_sz = os::page_size_for_region(raw_bytes, 10); 404 const size_t page_sz = os::page_size_for_region_aligned(raw_bytes, 10);
405 const size_t granularity = os::vm_allocation_granularity(); 405 const size_t granularity = os::vm_allocation_granularity();
406 _reserved_byte_size = align_size_up(raw_bytes, MAX2(page_sz, granularity)); 406 _reserved_byte_size = align_size_up(raw_bytes, MAX2(page_sz, granularity));
407 407
408 const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 : 408 const size_t rs_align = page_sz == (size_t) os::vm_page_size() ? 0 :
409 MAX2(page_sz, granularity); 409 MAX2(page_sz, granularity);