mm: Remove pointless barrier() after pmdp_get_lockless()

pmdp_get_lockless() should itself imply any ordering required.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221022114425.298833095%40infradead.org

1 files changed, 0 insertions, 1 deletions

diff --git a/mm/hmm.c b/mm/hmm.c
index 39cf50de76d7..601a99ce3c84 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -362,7 +362,6 @@ again:
 		 * values.
 		 */
 		pmd = pmdp_get_lockless(pmdp);
-		barrier();
 		if (!pmd_devmap(pmd) && !pmd_trans_huge(pmd))
 			goto again;