1 files changed, 6 insertions, 6 deletions
diff --git a/deps/v8/src/libplatform/default-platform.cc b/deps/v8/src/libplatform/default-platform.cc
index 6902504d10..71ee6bee98 100644
--- a/deps/v8/src/libplatform/default-platform.cc
+++ b/deps/v8/src/libplatform/default-platform.cc
@@ -29,9 +29,7 @@ bool PumpMessageLoop(v8::Platform* platform, v8::Isolate* isolate) {
   return reinterpret_cast<DefaultPlatform*>(platform)->PumpMessageLoop(isolate);
 }
 
-
-const int DefaultPlatform::kMaxThreadPoolSize = 4;
-
+const int DefaultPlatform::kMaxThreadPoolSize = 8;
 
 DefaultPlatform::DefaultPlatform()
     : initialized_(false), thread_pool_size_(0) {}
@@ -66,7 +64,7 @@ void DefaultPlatform::SetThreadPoolSize(int thread_pool_size) {
   base::LockGuard<base::Mutex> guard(&lock_);
   DCHECK(thread_pool_size >= 0);
   if (thread_pool_size < 1) {
-    thread_pool_size = base::SysInfo::NumberOfProcessors();
+    thread_pool_size = base::SysInfo::NumberOfProcessors() - 1;
   }
   thread_pool_size_ =
       std::max(std::min(thread_pool_size, kMaxThreadPoolSize), 1);
@@ -172,8 +170,9 @@ double DefaultPlatform::MonotonicallyIncreasingTime() {
 
 uint64_t DefaultPlatform::AddTraceEvent(
     char phase, const uint8_t* category_enabled_flag, const char* name,
-    uint64_t id, uint64_t bind_id, int num_args, const char** arg_names,
-    const uint8_t* arg_types, const uint64_t* arg_values, unsigned int flags) {
+    const char* scope, uint64_t id, uint64_t bind_id, int num_args,
+    const char** arg_names, const uint8_t* arg_types,
+    const uint64_t* arg_values, unsigned int flags) {
   return 0;
 }
 
@@ -194,6 +193,7 @@ const char* DefaultPlatform::GetCategoryGroupName(
   return dummy;
 }
 
+
 size_t DefaultPlatform::NumberOfAvailableBackgroundThreads() {
   return static_cast<size_t>(thread_pool_size_);
 }