diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c
index 2b46bf1d7e40ca7375517ebb97a2225475844a91..4c9852d92b0a909d5b103510ae77d55f4bb05ad0 100644
--- a/drivers/md/bcache/alloc.c
+++ b/drivers/md/bcache/alloc.c
@@ -421,9 +421,11 @@ long bch_bucket_alloc(struct cache *ca, unsigned watermark, bool wait)
 
 	if (watermark <= WATERMARK_METADATA) {
 		SET_GC_MARK(b, GC_MARK_METADATA);
+		SET_GC_MOVE(b, 0);
 		b->prio = BTREE_PRIO;
 	} else {
 		SET_GC_MARK(b, GC_MARK_RECLAIMABLE);
+		SET_GC_MOVE(b, 0);
 		b->prio = INITIAL_PRIO;
 	}
 
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 4beb55a0ff30dc9da10c340270e9cbd1c0e1c0b0..a7b1a7631ed29481c18089910643b668a4478686 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -197,7 +197,7 @@ struct bucket {
 	uint8_t		disk_gen;
 	uint8_t		last_gc; /* Most out of date gen in the btree */
 	uint8_t		gc_gen;
-	uint16_t	gc_mark;
+	uint16_t	gc_mark; /* Bitfield used by GC. See below for field */
 };
 
 /*
@@ -209,7 +209,8 @@ BITMASK(GC_MARK,	 struct bucket, gc_mark, 0, 2);
 #define GC_MARK_RECLAIMABLE	0
 #define GC_MARK_DIRTY		1
 #define GC_MARK_METADATA	2
-BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, 14);
+BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, 13);
+BITMASK(GC_MOVE, struct bucket, gc_mark, 15, 1);
 
 #include "journal.h"
 #include "stats.h"
@@ -445,7 +446,6 @@ struct cache {
 	 * call prio_write() to keep gens from wrapping.
 	 */
 	uint8_t			need_save_prio;
-	unsigned		gc_move_threshold;
 
 	/*
 	 * If nonzero, we know we aren't going to find any buckets to invalidate
diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c
index 46c952379fabf09fc09b093f4211c2f3f394189e..30f347d4e6095d7964568cee4f806b7e46cba944 100644
--- a/drivers/md/bcache/movinggc.c
+++ b/drivers/md/bcache/movinggc.c
@@ -25,10 +25,9 @@ static bool moving_pred(struct keybuf *buf, struct bkey *k)
 	unsigned i;
 
 	for (i = 0; i < KEY_PTRS(k); i++) {
-		struct cache *ca = PTR_CACHE(c, k, i);
 		struct bucket *g = PTR_BUCKET(c, k, i);
 
-		if (GC_SECTORS_USED(g) < ca->gc_move_threshold)
+		if (GC_MOVE(g))
 			return true;
 	}
 
@@ -227,9 +226,8 @@ void bch_moving_gc(struct cache_set *c)
 			sectors_to_move -= GC_SECTORS_USED(b);
 		}
 
-		ca->gc_move_threshold = bucket_heap_top(ca);
-
-		pr_debug("threshold %u", ca->gc_move_threshold);
+		while (heap_pop(&ca->heap, b, bucket_cmp))
+			SET_GC_MOVE(b, 1);
 	}
 
 	mutex_unlock(&c->bucket_lock);