[PATCH 2/3] mm/mempolicy: Avoid the fallthrough with MPOLD_BIND in mpol_misplaced.

[Donet Tom]

We will update MPOL_PREFERRED_MANY in the follow up patch. This change
is required for that.

Signed-off-by: Aneesh Kumar K.V (IBM) <aneesh.kumar@xxxxxxxxxx>
Signed-off-by: Donet Tom <donettom@xxxxxxxxxxxxx>
---
 mm/mempolicy.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 8478574c000c..73d698e21dae 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2515,7 +2515,15 @@ int mpol_misplaced(struct folio *folio, struct vm_area_struct *vma,
 				break;
 			goto out;
 		}
-		fallthrough;
+
+		if (node_isset(curnid, pol->nodes))
+			goto out;
+		z = first_zones_zonelist(
+				node_zonelist(thisnid, GFP_HIGHUSER),
+				gfp_zone(GFP_HIGHUSER),
+				&pol->nodes);
+		polnid = zone_to_nid(z->zone);
+		break;
 
 	case MPOL_PREFERRED_MANY:
 		/*
-- 
2.39.3