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8066875: VirtualSpace does not use large pages

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Reviewed-by: stefank, tschatzl, anoll, thartmann
This commit is contained in:
Erik Helin 2015-01-16 10:29:12 +01:00
parent 71d4cfb1ad
commit 86f95c464f
8 changed files with 71 additions and 22 deletions
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4
hotspot/src/share/vm/memory/heap.cpp
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@ -104,8 +104,8 @@ bool CodeHeap::reserve(ReservedSpace rs, size_t committed_size, size_t segment_s
size_t page_size = os::vm_page_size();
if (os::can_execute_large_page_memory()) {
const size_t min_pages = 8;
page_size = MIN2(os::page_size_for_region(committed_size, min_pages),
os::page_size_for_region(rs.size(), min_pages));
page_size = MIN2(os::page_size_for_region_aligned(committed_size, min_pages),
os::page_size_for_region_aligned(rs.size(), min_pages));
}
const size_t granularity = os::vm_allocation_granularity();