From 493d1dbba614e255d1d07c266a5f783b98cc87f3 Mon Sep 17 00:00:00 2001
From: Henning Baldersheim <balder@yahoo-inc.com>
Date: Mon, 14 Feb 2022 20:54:18 +0100
Subject: Revert "Revert "Let allocations larger than 1M be handled directly by
 mmap""

---
 eval/src/vespa/eval/eval/llvm/llvm_wrapper.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'eval')

diff --git a/eval/src/vespa/eval/eval/llvm/llvm_wrapper.cpp b/eval/src/vespa/eval/eval/llvm/llvm_wrapper.cpp
index 512e12bec71..d1a9ffc5b49 100644
--- a/eval/src/vespa/eval/eval/llvm/llvm_wrapper.cpp
+++ b/eval/src/vespa/eval/eval/llvm/llvm_wrapper.cpp
@@ -21,6 +21,8 @@
 #include <vespa/eval/eval/check_type.h>
 #include <vespa/vespalib/stllike/hash_set.h>
 #include <vespa/vespalib/util/approx.h>
+#include <vespa/vespalib/util/size_literals.h>
+#include <vespa/vespalib/util/malloc_mmap_guard.h>
 #include <limits>
 
 double vespalib_eval_ldexp(double a, double b) { return std::ldexp(a, b); }
@@ -728,6 +730,8 @@ LLVMWrapper::compile(llvm::raw_ostream * dumpStream)
     // Set relocation model to silence valgrind on CentOS 8 / aarch64
     _engine.reset(llvm::EngineBuilder(std::move(_module)).setOptLevel(llvm::CodeGenOpt::Aggressive).setRelocationModel(llvm::Reloc::Static).create());
     assert(_engine && "llvm jit not available for your platform");
+
+    MallocMmapGuard largeAllocsAsMMap(1_Mi);
     _engine->finalizeObject();
 }
 
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