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This commit is contained in:
Andrey Petrusenko 2008-09-17 19:59:35 +04:00
commit 1d67e1d25c
10 changed files with 171 additions and 184 deletions
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6
hotspot/src/share/vm/runtime/virtualspace.cpp
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@ -372,7 +372,8 @@ ReservedHeapSpace::ReservedHeapSpace(size_t size, size_t alignment,
bool large, char* requested_address) :
ReservedSpace(size, alignment, large,
requested_address,
UseCompressedOops ? lcm(os::vm_page_size(), alignment) : 0) {
UseCompressedOops && UseImplicitNullCheckForNarrowOop ?
lcm(os::vm_page_size(), alignment) : 0) {
// Only reserved space for the java heap should have a noaccess_prefix
// if using compressed oops.
protect_noaccess_prefix(size);
@ -383,7 +384,8 @@ ReservedHeapSpace::ReservedHeapSpace(const size_t prefix_size,
const size_t suffix_size,
const size_t suffix_align) :
ReservedSpace(prefix_size, prefix_align, suffix_size, suffix_align,
UseCompressedOops ? lcm(os::vm_page_size(), prefix_align) : 0) {
UseCompressedOops && UseImplicitNullCheckForNarrowOop ?
lcm(os::vm_page_size(), prefix_align) : 0) {
protect_noaccess_prefix(prefix_size+suffix_size);
}