Ralf, Thanks for looking into this. > See why such stuff is happening? Providing a default implemntation may be > fine for i.e. strcpy() where it's only about providing a better mouse > trap than the standard one in lib/string.c. It's an awfully bad idea for > something that matters for correctness such as flush_anon_page() ... Well, James Bottomley discussed this approach on linux-arch back then, so you could have raised objections. I don't like this whole flush_anon_page() approach, but nobody (including me) seems to be interested enough in finding a better one ;) Miklos