[mc] Comments/documentation of memory related code

[simgrid.git] / src / xbt / mmalloc / mmprivate.h

diff --git a/src/xbt/mmalloc/mmprivate.h b/src/xbt/mmalloc/mmprivate.h
index 37e4ea7..dd3856a 100644 (file)
--- a/src/xbt/mmalloc/mmprivate.h
+++ b/src/xbt/mmalloc/mmprivate.h
@@ -240,7 +240,9 @@ struct mdesc {
   void *breakval;
 
   /* The end of the current memory region for this malloc heap.  This is
-     the first location past the end of mapped memory. */
+     the first location past the end of mapped memory.
+     Compared to breakval, this value is rounded to the next memory page.
+      */
 
   void *top;