[PATCH v2 hmm 6/9] mm/hmm: use device_private_entry_to_pfn()

[Jason Gunthorpe]

From: Jason Gunthorpe <jgg at mellanox.com>

swp_offset() should not be called directly, the wrappers are supposed to
abstract away the encoding of the device_private specific information in
the swap entry.

Reviewed-by: Ralph Campbell <rcampbell at nvidia.com>
Reviewed-by: Christoph Hellwig <hch at lst.de>
Tested-by: Ralph Campbell <rcampbell at nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg at mellanox.com>
---
 mm/hmm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hmm.c b/mm/hmm.c
index 3a71ec72b0a42f..3303686bf16d24 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -261,7 +261,7 @@ static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
 		 */
 		if (hmm_is_device_private_entry(range, entry)) {
 			*pfn = hmm_device_entry_from_pfn(range,
-					    swp_offset(entry));
+				device_private_entry_to_pfn(entry));
 			*pfn |= range->flags[HMM_PFN_VALID];
 			if (is_write_device_private_entry(entry))
 				*pfn |= range->flags[HMM_PFN_WRITE];
-- 
2.25.2