mm/hmm: remove HMM_PFN_SPECIAL

This is just an alias for HMM_PFN_ERROR, nothing cares that the error was
because of a special page vs any other error case.

Link: https://lore.kernel.org/r/4-v2-b4e84f444c7d+24f57-hmm_no_flags_jgg@mellanox.com
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/hmm.c b/mm/hmm.c
index f06bcac948a7..2e975eedb14f 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -301,7 +301,7 @@ static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
 			pte_unmap(ptep);
 			return -EFAULT;
 		}
-		*pfn = range->values[HMM_PFN_SPECIAL];
+		*pfn = range->values[HMM_PFN_ERROR];
 		return 0;
 	}