Add AUTO_HUGEPAGE feature to disable writing to nr_hugepages

xmrig · Dec 17, 2022 · f32dc65 · f32dc65
1 parent 4d0b8c9
commit f32dc65
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -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_SECURE_JIT      "Enable secure access to JIT memory" OFF)
 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(ARM_TARGET           "Force use specific ARM target 8 or 7" 0)
@@ -180,6 +181,10 @@ else()
     if (XMRIG_OS_ANDROID)
         set(EXTRA_LIBS pthread rt dl log)
     elseif (XMRIG_OS_LINUX)
+        if (WITH_AUTO_HUGEPAGE)
+            add_definitions(/DXMRIG_FEATURE_AUTO_HUGEPAGE)
+        endif()
+
         list(APPEND SOURCES_OS
             src/crypto/common/LinuxMemory.h
             src/crypto/common/LinuxMemory.cpp

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