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author | Jan Beich <jbeich@FreeBSD.org> | 2023-12-02 00:21:20 +0100 |
---|---|---|
committer | Jan Beich <jbeich@FreeBSD.org> | 2023-12-02 00:25:50 +0100 |
commit | 01d3e250ab41622742ccb5bf93819ae364a65310 (patch) | |
tree | 1d43da86096a9d5f429ef1869c0ff7cfa02a8d46 /src/common | |
parent | host_memory: allow missing MAP_NORESERVE on FreeBSD after 448d4815dece (diff) | |
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Diffstat (limited to 'src/common')
-rw-r--r-- | src/common/host_memory.cpp | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/src/common/host_memory.cpp b/src/common/host_memory.cpp index 179f6ab11..4bfc64f2d 100644 --- a/src/common/host_memory.cpp +++ b/src/common/host_memory.cpp @@ -408,6 +408,16 @@ static void* ChooseVirtualBase(size_t virtual_size) { #else static void* ChooseVirtualBase(size_t virtual_size) { +#if defined(__FreeBSD__) + void* virtual_base = + mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0); + + if (virtual_base != MAP_FAILED) { + return virtual_base; + } +#endif + return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0); } @@ -463,24 +473,12 @@ public: } // Virtual memory initialization -#if defined(__FreeBSD__) - virtual_base = - static_cast<u8*>(mmap(nullptr, virtual_size, PROT_NONE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER, -1, 0)); - if (virtual_base == MAP_FAILED) { - virtual_base = static_cast<u8*>( - mmap(nullptr, virtual_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0)); - if (virtual_base == MAP_FAILED) { - LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno)); - throw std::bad_alloc{}; - } - } -#else virtual_base = virtual_map_base = static_cast<u8*>(ChooseVirtualBase(virtual_size)); if (virtual_base == MAP_FAILED) { LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno)); throw std::bad_alloc{}; } +#if defined(__linux__) madvise(virtual_base, virtual_size, MADV_HUGEPAGE); #endif |