8009614: nsk/split_verifier/stress/ifelse/ifelse002_30 fails with 'assert((size & (granularity - 1)) == 0) failed: size not aligned to os::vm_allocation_granularity()
Summary: Align up vm allocation size to os defined granularity
Reviewed-by: dholmes, coleenp
--- a/hotspot/src/share/vm/memory/metaspace.cpp Thu Mar 14 00:33:08 2013 -0700
+++ b/hotspot/src/share/vm/memory/metaspace.cpp Fri Mar 15 11:53:28 2013 -0400
@@ -334,6 +334,9 @@
// byte_size is the size of the associated virtualspace.
VirtualSpaceNode::VirtualSpaceNode(size_t byte_size) : _top(NULL), _next(NULL), _rs(0) {
+ // align up to vm allocation granularity
+ byte_size = align_size_up(byte_size, os::vm_allocation_granularity());
+
// This allocates memory with mmap. For DumpSharedspaces, allocate the
// space at low memory so that other shared images don't conflict.
// This is the same address as memory needed for UseCompressedOops but