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24 lines
558 B
C++
24 lines
558 B
C++
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/*
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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/os_memory.h"
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#include <fcntl.h>
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#include <sys/mman.h>
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namespace NEO {
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void *OSMemory::reserveCpuAddressRange(size_t sizeToReserve) {
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return mmap(0, sizeToReserve, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_HUGETLB, open("/dev/null", O_RDONLY), 0);
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}
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void OSMemory::releaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) {
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munmap(reservedCpuAddressRange, reservedSize);
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}
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} // namespace NEO
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