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8077255: TracePageSizes output reports wrong page size on Windows with G1

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Print selected page size, not alignment size chosen by ReservedSpace (which is the vm_allocation_granularity that is different to page size on Windows) in the message presented by TracePageSizes.

Reviewed-by: drwhite, jmasa
This commit is contained in:
Thomas Schatzl 2015-04-09 15:41:47 +02:00
parent d86a561fe4
commit 06bba0999a
3 changed files with 12 additions and 11 deletions
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5
hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
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@ -1805,8 +1805,9 @@ G1CollectedHeap::G1CollectedHeap(G1CollectorPolicy* policy_) :
G1RegionToSpaceMapper* G1CollectedHeap::create_aux_memory_mapper(const char* description,
size_t size,
size_t translation_factor) {
size_t preferred_page_size = os::page_size_for_region_unaligned(size, 1);
// Allocate a new reserved space, preferring to use large pages.
ReservedSpace rs(size, true);
ReservedSpace rs(size, preferred_page_size);
G1RegionToSpaceMapper* result =
G1RegionToSpaceMapper::create_mapper(rs,
size,
@ -1816,7 +1817,7 @@ G1RegionToSpaceMapper* G1CollectedHeap::create_aux_memory_mapper(const char* des
mtGC);
if (TracePageSizes) {
gclog_or_tty->print_cr("G1 '%s': pg_sz=" SIZE_FORMAT " base=" PTR_FORMAT " size=" SIZE_FORMAT " alignment=" SIZE_FORMAT " reqsize=" SIZE_FORMAT,
description, rs.alignment(), p2i(rs.base()), rs.size(), rs.alignment(), size);
description, preferred_page_size, p2i(rs.base()), rs.size(), rs.alignment(), size);
}
return result;
}