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src/hotspot/share/gc/z/zMarkStackAllocator.cpp

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*** 108,119 **** // Expand os::commit_memory_or_exit((char*)_end, expand_size, false /* executable */, "Mark stack space"); // Increment top before end to make sure another // thread can't steal out newly expanded space. ! addr = Atomic::add(size, &_top) - size; ! Atomic::add(expand_size, &_end); return addr; } uintptr_t ZMarkStackSpace::alloc(size_t size) { --- 108,119 ---- // Expand os::commit_memory_or_exit((char*)_end, expand_size, false /* executable */, "Mark stack space"); // Increment top before end to make sure another // thread can't steal out newly expanded space. ! addr = Atomic::add(&_top, size) - size; ! Atomic::add(&_end, expand_size); return addr; } uintptr_t ZMarkStackSpace::alloc(size_t size) {
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