Reviewers: Lasse Reichstein,

Description:
Changed semi space Grow to be rounded to OS page size.


Please review this at http://codereview.chromium.org/164469

SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/

Affected files:
   M     src/spaces.cc


Index: src/spaces.cc
===================================================================
--- src/spaces.cc       (revision 2673)
+++ src/spaces.cc       (working copy)
@@ -1076,7 +1076,7 @@

  bool SemiSpace::Grow() {
    // Commit 50% extra space but only up to maximum capacity.
-  int extra = capacity_/2;
+  int extra = RoundUp(capacity_/2, OS::AllocateAlignment());
    if (capacity_ + extra > maximum_capacity_) {
      extra = maximum_capacity_ - capacity_;
    }



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