Re: [RFC PATCH 0/2] iov_iter: Provide a function to extract/pin/get pages from an iteraor

[Matthew Wilcox]

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_*.