1.1 --- a/src/share/vm/runtime/virtualspace.cpp Wed Sep 17 16:49:18 2008 +0400
1.2 +++ b/src/share/vm/runtime/virtualspace.cpp Wed Sep 17 19:59:35 2008 +0400
1.3 @@ -372,7 +372,8 @@
1.4 bool large, char* requested_address) :
1.5 ReservedSpace(size, alignment, large,
1.6 requested_address,
1.7 - UseCompressedOops ? lcm(os::vm_page_size(), alignment) : 0) {
1.8 + UseCompressedOops && UseImplicitNullCheckForNarrowOop ?
1.9 + lcm(os::vm_page_size(), alignment) : 0) {
1.10 // Only reserved space for the java heap should have a noaccess_prefix
1.11 // if using compressed oops.
1.12 protect_noaccess_prefix(size);
1.13 @@ -383,7 +384,8 @@
1.14 const size_t suffix_size,
1.15 const size_t suffix_align) :
1.16 ReservedSpace(prefix_size, prefix_align, suffix_size, suffix_align,
1.17 - UseCompressedOops ? lcm(os::vm_page_size(), prefix_align) : 0) {
1.18 + UseCompressedOops && UseImplicitNullCheckForNarrowOop ?
1.19 + lcm(os::vm_page_size(), prefix_align) : 0) {
1.20 protect_noaccess_prefix(prefix_size+suffix_size);
1.21 }
1.22
