These are persistent, not just for the duration of a dma operation.

Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Jérôme Glisse <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Oded Gabbay <[email protected]>
Cc: Omer Shpigelman <[email protected]>
Cc: Ofir Bitton <[email protected]>
Cc: Tomer Tayar <[email protected]>
Cc: Moti Haimovski <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Pawel Piskorski <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
---
 drivers/misc/habanalabs/common/memory.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/common/memory.c 
b/drivers/misc/habanalabs/common/memory.c
index 2c59fa869684..0d25ae1d5f3e 100644
--- a/drivers/misc/habanalabs/common/memory.c
+++ b/drivers/misc/habanalabs/common/memory.c
@@ -1296,7 +1296,8 @@ static int get_user_memory(struct hl_device *hdev, u64 
addr, u64 size,
        if (!userptr->pages)
                return -ENOMEM;
 
-       rc = pin_user_pages_fast(start, npages, FOLL_FORCE | FOLL_WRITE,
+       rc = pin_user_pages_fast(start, npages,
+                                FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM,
                                 userptr->pages);
 
        if (rc != npages) {
-- 
2.29.2

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