mirror of
https://github.com/intel/compute-runtime.git
synced 2025-12-20 08:53:55 +08:00
7df9945ebe
Change-Id: I67a6919bbbff1d30c7d6cdb257b41c87bad51e7f Signed-off-by: Mateusz Jablonski <mateusz.jablonski@intel.com>
33 lines
882 B
C++
33 lines
882 B
C++
/*
|
|
* Copyright (C) 2019-2020 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#include "shared/source/os_interface/linux/os_memory_linux.h"
|
|
|
|
namespace NEO {
|
|
|
|
std::unique_ptr<OSMemory> OSMemory::create() {
|
|
return std::make_unique<OSMemoryLinux>();
|
|
}
|
|
|
|
void *OSMemoryLinux::reserveCpuAddressRange(size_t sizeToReserve) {
|
|
return mmapWrapper(0, sizeToReserve, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_HUGETLB, -1, 0);
|
|
}
|
|
|
|
void OSMemoryLinux::releaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) {
|
|
munmapWrapper(reservedCpuAddressRange, reservedSize);
|
|
}
|
|
|
|
void *OSMemoryLinux::mmapWrapper(void *addr, size_t size, int prot, int flags, int fd, off_t off) {
|
|
return mmap(addr, size, prot, flags, fd, off);
|
|
}
|
|
|
|
int OSMemoryLinux::munmapWrapper(void *addr, size_t size) {
|
|
return munmap(addr, size);
|
|
}
|
|
|
|
} // namespace NEO
|