+ if( mdp->heapinfo[block].busy_frag.frag_size[frag_nb] == -1){
+ UNLOCK(mdp);
+ THROWF(system_error, 0, "Asked to free a fragment that is already free. I'm puzzled\n");
+ }
+
+ if(MC_is_active()){
+ if(mdp->heapinfo[block].busy_frag.ignore[frag_nb] == 1)
+ MC_remove_ignore_heap(ptr, mdp->heapinfo[block].busy_frag.frag_size[frag_nb]);
+ }
+
+ /* Set size used in the fragment to -1 */
+ mdp->heapinfo[block].busy_frag.frag_size[frag_nb] = -1;
+
+// fprintf(stderr,"nfree:%zu capa:%d\n", mdp->heapinfo[block].busy_frag.nfree,(BLOCKSIZE >> type));