Hi Christoph! > Who sais it it not backed by a file? Which that would be a very > unusual use case, there is nothing limiting us from using integity or > metadata from a file mapping. Instead we'll need to do the same thing > for the data path and defer the unmapping to a user context when > needed. If you have a use case for file-backed then supporting deferred dirtying is perfectly fine with me. -- Martin K. Petersen