1.1 --- a/src/share/vm/runtime/os.cpp Tue Dec 09 09:55:39 2008 -0500
1.2 +++ b/src/share/vm/runtime/os.cpp Wed Dec 10 15:14:29 2008 -0800
1.3 @@ -932,8 +932,9 @@
1.4 // the mutator thread if such case is encountered. See bug 6546278 for details.
1.5 Thread::muxAcquire(&SerializePageLock, "serialize_thread_states");
1.6 os::protect_memory((char *)os::get_memory_serialize_page(),
1.7 - os::vm_page_size(), MEM_PROT_READ, /*is_committed*/true );
1.8 - os::unguard_memory((char *)os::get_memory_serialize_page(), os::vm_page_size());
1.9 + os::vm_page_size(), MEM_PROT_READ);
1.10 + os::protect_memory((char *)os::get_memory_serialize_page(),
1.11 + os::vm_page_size(), MEM_PROT_RW);
1.12 Thread::muxRelease(&SerializePageLock);
1.13 }
1.14
