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8169347aa9
- ensure OSMemoryLinux::reserveCpuAddressRange() calls mmap() with -1 as fd param Related-To: NEO-2877, NEO-3530 Change-Id: I2d5903291726b086af8b913f92b64e8c38c23462 Signed-off-by: Venevtsev, Igor <igor.venevtsev@intel.com>
33 lines
950 B
C++
33 lines
950 B
C++
/*
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* Copyright (C) 2019 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "runtime/os_interface/windows/os_memory_win.h"
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namespace NEO {
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std::unique_ptr<OSMemory> OSMemory::create() {
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return std::make_unique<OSMemoryWindows>();
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}
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void *OSMemoryWindows::reserveCpuAddressRange(size_t sizeToReserve) {
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return virtualAllocWrapper(0, sizeToReserve, MEM_RESERVE, PAGE_READWRITE);
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}
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void OSMemoryWindows::releaseCpuAddressRange(void *reservedCpuAddressRange, size_t /* reservedSize */) {
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virtualFreeWrapper(reservedCpuAddressRange, 0, MEM_RELEASE);
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}
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LPVOID OSMemoryWindows::virtualAllocWrapper(LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect) {
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return VirtualAlloc(lpAddress, dwSize, flAllocationType, flProtect);
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}
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BOOL OSMemoryWindows::virtualFreeWrapper(LPVOID lpAddress, SIZE_T dwSize, DWORD dwFreeType) {
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return VirtualFree(lpAddress, dwSize, dwFreeType);
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}
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} // namespace NEO
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