[PATCH v2 11/18] net/xdp: set FOLL_PIN via pin_user_pages()

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Convert net/xdp to use the new pin_longterm_pages() call, which sets
FOLL_PIN. Setting FOLL_PIN is now required for code that requires
tracking of pinned pages.

Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Acked-by: Björn Töpel <bjorn.topel@xxxxxxxxx>
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
---
 net/xdp/xdp_umem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 3049af269fbf..66c814863cfd 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -291,8 +291,8 @@ static int xdp_umem_pin_pages(struct xdp_umem *umem)
 		return -ENOMEM;
 
 	down_read(&current->mm->mmap_sem);
-	npgs = get_user_pages(umem->address, umem->npgs,
-			      gup_flags | FOLL_LONGTERM, &umem->pgs[0], NULL);
+	npgs = pin_longterm_pages(umem->address, umem->npgs, gup_flags,
+				  &umem->pgs[0], NULL);
 	up_read(&current->mm->mmap_sem);
 
 	if (npgs != umem->npgs) {
-- 
2.23.0





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