Limit the size of the space reserved for code on systems that

src/heap.cc

Index: src/heap.cc
===================================================================
--- src/heap.cc	(revision 8361)
+++ src/heap.cc	(working copy)
@@ -153,6 +153,16 @@
   max_semispace_size_ = reserved_semispace_size_ = V8_MAX_SEMISPACE_SIZE;
 #endif
 
+  intptr_t max_virtual = OS::MaxVirtualMemory();
+
+  if (max_virtual > 0) {
+    intptr_t eighth = max_virtual >> 3;

[Mads Ager (chromium), 2011/06/22 09:42:01]

With this name I'm not sure this makes it more readable. I would just inline it
below where you have the comment.

[Erik Corry, 2011/06/22 09:56:36]

Done.

+    if (code_range_size_ > 0) {
+      // Reserve no more than 1/8 of the memory for the code range.
+      code_range_size_ = Min(code_range_size_, eighth);
+    }
+  }
+
   memset(roots_, 0, sizeof(roots_[0]) * kRootListLength);
   global_contexts_list_ = NULL;
   mark_compact_collector_.heap_ = this;