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33 lines
868 B
C++
33 lines
868 B
C++
/*
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* Copyright (C) 2019-2020 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 "os_interface/linux/os_memory_linux.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<OSMemoryLinux>();
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}
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void *OSMemoryLinux::reserveCpuAddressRange(size_t sizeToReserve) {
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return mmapWrapper(0, sizeToReserve, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_HUGETLB, -1, 0);
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}
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void OSMemoryLinux::releaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) {
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munmapWrapper(reservedCpuAddressRange, reservedSize);
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}
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void *OSMemoryLinux::mmapWrapper(void *addr, size_t size, int prot, int flags, int fd, off_t off) {
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return mmap(addr, size, prot, flags, fd, off);
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}
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int OSMemoryLinux::munmapWrapper(void *addr, size_t size) {
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return munmap(addr, size);
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}
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} // namespace NEO
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