--- a/hotspot/src/share/vm/memory/metaspace.cpp Tue Jan 13 12:30:26 2015 +0100
+++ b/hotspot/src/share/vm/memory/metaspace.cpp Mon Jan 12 14:43:34 2015 -0800
@@ -3829,11 +3829,13 @@
assert(cm.sum_free_chunks() == 2*MediumChunk, "sizes should add up");
}
- { // 4 pages of VSN is committed, some is used by chunks
+ const size_t page_chunks = 4 * (size_t)os::vm_page_size() / BytesPerWord;
+ // This doesn't work for systems with vm_page_size >= 16K.
+ if (page_chunks < MediumChunk) {
+ // 4 pages of VSN is committed, some is used by chunks
ChunkManager cm(SpecializedChunk, SmallChunk, MediumChunk);
VirtualSpaceNode vsn(vsn_test_size_bytes);
- const size_t page_chunks = 4 * (size_t)os::vm_page_size() / BytesPerWord;
- assert(page_chunks < MediumChunk, "Test expects medium chunks to be at least 4*page_size");
+
vsn.initialize();
vsn.expand_by(page_chunks, page_chunks);
vsn.get_chunk_vs(SmallChunk);