host_memory: Use transparent huge pages where available
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@ -393,12 +393,27 @@ public:
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}
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// Virtual memory initialization
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#if defined(__FreeBSD__)
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virtual_base =
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static_cast<u8*>(mmap(nullptr, virtual_size, PROT_NONE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER, -1, 0));
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if (virtual_base == MAP_FAILED) {
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virtual_base = static_cast<u8*>(
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mmap(nullptr, virtual_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
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if (virtual_base == MAP_FAILED) {
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LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
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throw std::bad_alloc{};
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}
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}
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#else
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virtual_base = static_cast<u8*>(mmap(nullptr, virtual_size, PROT_NONE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0));
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if (virtual_base == MAP_FAILED) {
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LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
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throw std::bad_alloc{};
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}
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madvise(virtual_base, virtual_size, MADV_HUGEPAGE);
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#endif
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good = true;
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}
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