Constrain the zone segment pool size

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 726 matching lines @@
     set_max_executable_size(i::Heap::kMaxExecutableSizeHugeMemoryDevice);
   }
 
   if (virtual_memory_limit > 0 && i::kRequiresCodeRange) {
     // Reserve no more than 1/8 of the memory for the code range, but at most
     // kMaximalCodeRangeSize.
     set_code_range_size(
         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);
+  }
 }
 
 
 void SetResourceConstraints(i::Isolate* isolate,
                             const ResourceConstraints& constraints) {
   int semi_space_size = constraints.max_semi_space_size();
   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);
   }
 }
 
 
 i::Object** V8::GlobalizeReference(i::Isolate* isolate, i::Object** obj) {
   LOG_API(isolate, Persistent, New);
   i::Handle<i::Object> result = isolate->global_handles()->Create(*obj);
@@ skipping 8644 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8