On Wed, Jan 03, 2024 at 05:14:17PM +0800, peterx@redhat.com wrote:

From: Peter Xu <peterx@redhat.com>

All the fast-gup functions take a tail page to operate, always need to do
page mask calculations before feeding that into record_subpages().

Merge that logic into record_subpages(), so that it will do the nth_page()
calculation.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 mm/gup.c | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason