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[windows] Revert virtual memory changes
Revert changes to virtual_memory_win.cc in case they are the cause of the OOM failures on the debug windows x64 bot. Review URL: https://codereview.chromium.org/2420853002 .
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@ -35,20 +35,20 @@ VirtualMemory* VirtualMemory::ReserveInternal(intptr_t size) {
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VirtualMemory::~VirtualMemory() {
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if (embedder_allocated()) {
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if (embedder_allocated() || (reserved_size_ == 0)) {
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return;
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}
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if (VirtualFree(address(), 0, MEM_RELEASE) == 0) {
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FATAL1("VirtualFree failed: Error code %d\n", GetLastError());
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FATAL("VirtualFree failed");
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}
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}
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bool VirtualMemory::FreeSubSegment(void* address, intptr_t size) {
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if (VirtualFree(address, size, MEM_DECOMMIT) == 0) {
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FATAL1("VirtualFree failed: Error code %d\n", GetLastError());
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}
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return true;
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// On Windows only the entire segment returned by VirtualAlloc
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// can be freed. Therefore we will have to waste these unused
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// virtual memory sub-segments.
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return false;
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}
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