Use code_range()->exists() to determine the size of the first code page when code...

Review URL: https://codereview.chromium.org/12452012
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14071 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/spaces.cc b/src/spaces.cc
index 2952fd5..f8e6a1e 100644 (file)
--- a/src/spaces.cc
+++ b/src/spaces.cc
@@ -1030,10 +1030,10 @@ intptr_t PagedSpace::SizeOfFirstPage() {
       size = 16 * kPointerSize * KB;
       break;
     case CODE_SPACE:
-      if (kPointerSize == 8) {
-        // On x64 we allocate code pages in a special way (from the reserved
-        // 2Byte area). That part of the code is not yet upgraded to handle
-        // small pages.
+      if (heap()->isolate()->code_range()->exists()) {
+        // When code range exists, code pages are allocated in a special way
+        // (from the reserved code range). That part of the code is not yet
+        // upgraded to handle small pages.
         size = AreaSize();
       } else {
         size = 384 * KB;