On Sat, Apr 15, 2023 at 12:27:13AM +0100, Lorenzo Stoakes wrote: > No invocation of get_user_pages() uses the vmas parameter, so remove > it. > > The GUP API is confusing and caveated. Recent changes have done much to > improve that, however there is more we can do. Exporting vmas is a prime > target as the caller has to be extremely careful to preclude their use > after the mmap_lock has expired or otherwise be left with dangling > pointers. > > Removing the vmas parameter focuses the GUP functions upon their primary > purpose - pinning (and outputting) pages as well as performing the actions > implied by the input flags. > > This is part of a patch series aiming to remove the vmas parameter > altogether. > > Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx> > Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
