* Update docs for heap-profiler fns (csilvers)

	* In pprof, accept URLs without ports but with http:// (rsc)
	* Refactor sizeclass handling in tcmalloc (bmaurer)
	* Always log failed calls to FindAllocDetails (mec)
	* Clarify comments for ProfilerStart* (malcolmr)
	* Add #include guards to stacktrace_win32-inl.h (glider)
	* Add ANNOTATE_ENABLE_RACE_DETECTION(enable) (kcc)
	* Make a contentful NEWS file (csilvers)
	* Fix addr2line --help (which pprof relies on) for windows (csilvers)
	* Fixes a bug in tcmalloc's TLS callback on windows -static (wtc)


git-svn-id: http://gperftools.googlecode.com/svn/trunk@94 6b5cf1ce-ec42-a296-1ba9-69fdba395a50

1 files changed, 4 insertions, 0 deletions

diff --git a/src/span.h b/src/span.h
index ab9a796..b3483ca 100644
--- a/src/span.h
+++ b/src/span.h
@@ -60,6 +60,10 @@ struct Span {
   int value[64];
 #endif
 
+  void* start_ptr() {
+    return reinterpret_cast<void*>(start << kPageShift);
+  }
+
   // What freelist the span is on: IN_USE if on none, or normal or returned
   enum { IN_USE, ON_NORMAL_FREELIST, ON_RETURNED_FREELIST };
 };