Files
compute-runtime/runtime/os_interface/linux/os_memory_linux.cpp
Venevtsev, Igor d724b9ab11 Fix mmap in OSMemory::reserveCpuAddressRange on Linux.
Related-To: NEO-2877

Change-Id: I2e7221ec84d6d1efc2cfd9e02ca1e23d0de5cab9
Signed-off-by: Venevtsev, Igor <igor.venevtsev@intel.com>
2019-07-09 14:43:35 +02:00

24 lines
533 B
C++

/*
* Copyright (C) 2019 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "runtime/os_interface/os_memory.h"
#include <fcntl.h>
#include <sys/mman.h>
namespace NEO {
void *OSMemory::reserveCpuAddressRange(size_t sizeToReserve) {
return mmap(0, sizeToReserve, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_HUGETLB, -1, 0);
}
void OSMemory::releaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) {
munmap(reservedCpuAddressRange, reservedSize);
}
} // namespace NEO