----- Ursprüngliche Mail ----- > Von: "David Hildenbrand" <david@xxxxxxxxxx> > An: "richard" <richard@xxxxxx>, "linux-mm" <linux-mm@xxxxxxxxx> >> + Bit 58 is useful to detect CoW mappings; however, it does not indicate >> + whether the page mapping is writable or not. If an anonymous mapping is >> + writable but the write bit is not set, it means that the next write access >> + will cause a page fault, and copy-on-write will happen. > > That is not true. Can you please help me correct my obvious misunderstanding?
