On Mon, Oct 31, 2022 at 02:49:32PM +0000, David Howells wrote: > I added a macro by which you can query an iterator to find out how the > extraction function will treat the pages (it returns 0, FOLL_GET or FOLL_PIN > as appropriate). Note that it's a macro to avoid #inclusion of linux/mm.h in > linux/uio.h. I'd support moving FOLL_* definitions to mm_types.h along with FAULT_FLAG_* and VM_FAULT_*.
