diff --git a/block/blk-merge.c b/block/blk-merge.c
index 4fced1be5d97..5d74cc354e30 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -42,6 +42,9 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q,
 					goto new_segment;
 				if (!BIOVEC_SEG_BOUNDARY(q, bvprv, bv))
 					goto new_segment;
+				if ((bvprv->bv_page != bv->bv_page) &&
+				    (bvprv->bv_page + 1) != bv->bv_page)
+					goto new_segment;
 
 				seg_size += bv->bv_len;
 				bvprv = bv;
@@ -141,6 +144,9 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
 				goto new_segment;
 			if (!BIOVEC_SEG_BOUNDARY(q, bvprv, bvec))
 				goto new_segment;
+			if ((bvprv->bv_page != bvec->bv_page) &&
+			    ((bvprv->bv_page + 1) != bvec->bv_page))
+				goto new_segment;
 
 			sg->length += nbytes;
 		} else {