ey will be allocated only to
small pointerfree objects. 
<P>
The collector understands two different kinds of black-listing.  A
page may be black listed for interior pointer references
(<TT>GC_add_to_black_list_stack</tt>), if it was the target of a near
miss from a location that requires interior pointer recognition,
<I>e.g.</i> the stack, or the heap if <TT>GC_all_interior_pointers</tt>
is set.  In this case, we also avoid allocating large blocks that include
this page.
<P>
If the near miss came from a so