Constrain the zone segment pool size

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index aed4af089b7c5b1eeb79194fa1622feba4c0daee..920163169d58df1938a818a118ff60f3df8ebf91 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -744,6 +744,14 @@ void ResourceConstraints::ConfigureDefaults(uint64_t physical_memory,
         i::Min(i::kMaximalCodeRangeSize / i::MB,
                static_cast<size_t>((virtual_memory_limit >> 3) / i::MB)));
   }
+
+  if (physical_memory <= 512ul * i::MB) {

[Michael Lippautz, 2016/10/18 14:50:22]

Use the categories already defined above, starting at line 722.

+    set_max_pool_size(8ul * i::KB);
+  } else if (physical_memory <= i::GB) {
+    set_max_pool_size(i::MB);
+  } else {
+    set_max_pool_size(3ul * i::MB);
+  }
 }
 
 
@@ -753,11 +761,14 @@ void SetResourceConstraints(i::Isolate* isolate,
   int old_space_size = constraints.max_old_space_size();
   int max_executable_size = constraints.max_executable_size();
   size_t code_range_size = constraints.code_range_size();
+  size_t max_pool_size = constraints.max_pool_size();
   if (semi_space_size != 0 || old_space_size != 0 ||
       max_executable_size != 0 || code_range_size != 0) {
     isolate->heap()->ConfigureHeap(semi_space_size, old_space_size,
                                    max_executable_size, code_range_size);
   }
+  isolate->allocator()->ConfigureSegmentPool(max_pool_size);
+
   if (constraints.stack_limit() != NULL) {
     uintptr_t limit = reinterpret_cast<uintptr_t>(constraints.stack_limit());
     isolate->stack_guard()->SetStackLimit(limit);