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Add AUTO_HUGEPAGE feature to disable writing to nr_hugepages

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Tony Butler
2021-05-18 17:42:38 -06:00
parent e7de104d88
commit 6c8098378a
2 changed files with 9 additions and 0 deletions
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5
CMakeLists.txt
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@@ -32,6 +32,7 @@ option(WITH_VAES "Enable VAES instructions for Cryptonight" ON)
option(WITH_BENCHMARK "Enable builtin RandomX benchmark and stress test" ON) option(WITH_BENCHMARK "Enable builtin RandomX benchmark and stress test" ON)
option(WITH_SECURE_JIT "Enable secure access to JIT memory" OFF) option(WITH_SECURE_JIT "Enable secure access to JIT memory" OFF)
option(WITH_DMI "Enable DMI/SMBIOS reader" ON) option(WITH_DMI "Enable DMI/SMBIOS reader" ON)
option(WITH_AUTO_HUGEPAGE "Enable Automatic setting of nr_hugepages (Linux Only)" ON)
option(BUILD_STATIC "Build static binary" OFF) option(BUILD_STATIC "Build static binary" OFF)
option(ARM_V8 "Force ARMv8 (64 bit) architecture, use with caution if automatic detection fails, but you sure it may work" OFF) option(ARM_V8 "Force ARMv8 (64 bit) architecture, use with caution if automatic detection fails, but you sure it may work" OFF)
@@ -181,6 +182,10 @@ else()
if (XMRIG_OS_ANDROID) if (XMRIG_OS_ANDROID)
set(EXTRA_LIBS pthread rt dl log) set(EXTRA_LIBS pthread rt dl log)
elseif (XMRIG_OS_LINUX) elseif (XMRIG_OS_LINUX)
if (WITH_AUTO_HUGEPAGE)
add_definitions(/DXMRIG_FEATURE_AUTO_HUGEPAGE)
endif()
list(APPEND SOURCES_OS list(APPEND SOURCES_OS
src/crypto/common/LinuxMemory.h src/crypto/common/LinuxMemory.h
src/crypto/common/LinuxMemory.cpp src/crypto/common/LinuxMemory.cpp

4
src/crypto/common/LinuxMemory.cpp
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@@ -60,7 +60,11 @@ bool xmrig::LinuxMemory::reserve(size_t size, uint32_t node, size_t hugePageSize
return false; return false;
} }
# ifdef XMRIG_FEATURE_AUTO_HUGEPAGE
return write_nr_hugepages(node, hugePageSize, std::max<size_t>(nr_hugepages(node, hugePageSize), 0) + (required - available)); return write_nr_hugepages(node, hugePageSize, std::max<size_t>(nr_hugepages(node, hugePageSize), 0) + (required - available));
# else
return false;
# endif
} }