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-rw-r--r--block/blk-mq.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 05dfa3f270ae..41e3aeb51c9a 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2350,6 +2350,11 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
blk_queue_make_request(q, blk_mq_make_request);
/*
+ * by default assume old behaviour and bounce for any highmem page
+ */
+ blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
+
+ /*
* Do this after blk_queue_make_request() overrides it...
*/
q->nr_requests = set->queue_depth;