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Fixed mmap on OpenBSD

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OpenBSD's mmap does not support `MAP_HUGETLB` and `MAP_POPULATE`.
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ston1th 2019-10-17 22:25:51 +02:00
parent b53f0ed145
commit f3ded36061
1 changed files with 2 additions and 0 deletions
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src/virtual_memory.cpp
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@ -141,6 +141,8 @@ void* allocLargePagesMemory(std::size_t bytes) {
mem = mmap(nullptr, bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, VM_FLAGS_SUPERPAGE_SIZE_2MB, 0); mem = mmap(nullptr, bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, VM_FLAGS_SUPERPAGE_SIZE_2MB, 0);
#elif defined(__FreeBSD__) #elif defined(__FreeBSD__)
mem = mmap(nullptr, bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER, -1, 0); mem = mmap(nullptr, bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER, -1, 0);
#elif defined(__OpenBSD__)
mem = MAP_FAILED; // OpenBSD does not support huge pages
#else #else
mem = mmap(nullptr, bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_POPULATE, -1, 0); mem = mmap(nullptr, bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_POPULATE, -1, 0);
#endif #endif