Index: head/sys/kern/subr_blist.c
===================================================================
--- head/sys/kern/subr_blist.c
+++ head/sys/kern/subr_blist.c
@@ -295,9 +295,9 @@
 	 * This loop iterates at most twice.  An allocation failure in the
 	 * first iteration leads to a second iteration only if the cursor was
 	 * non-zero.  When the cursor is zero, an allocation failure will
-	 * reduce the hint, stopping further iterations.
+	 * stop further iterations.
 	 */
-	while (count <= bl->bl_root->bm_bighint) {
+	for (;;) {
 		blk = blst_meta_alloc(bl->bl_root, bl->bl_cursor, count,
 		    bl->bl_radix);
 		if (blk != SWAPBLK_NONE) {
@@ -306,10 +306,10 @@
 			if (bl->bl_cursor == bl->bl_blocks)
 				bl->bl_cursor = 0;
 			return (blk);
-		}
+		} else if (bl->bl_cursor == 0)
+			return (SWAPBLK_NONE);
 		bl->bl_cursor = 0;
 	}
-	return (SWAPBLK_NONE);
 }
 
 /*