.

wcfs/client/wcfs.cpp

@@ -443,6 +443,8 @@ pair<Mapping, error> _FileH::mmap(int64_t blk_start, int64_t blk_len, VMA *vma)
 
     f._mmaps.push_back(mmap);   // TODO keep f._mmaps ↑blk_start
 
+    // XXX vvv kill from here completely?
+    // (zfile_mmap_setup_read does vma->mmap_overlay_server = mmap + incref itself)
     if (vma != NULL) {
         vma->mmap_overlay_server = mmap._ptr(); // XXX +giveref
     }