mm: memory: use folio_throttle_swaprate() in do_swap_page()

Directly use folio_throttle_swaprate() instead of
cgroup_throttle_swaprate().

Link: https://lkml.kernel.org/r/20230302115835.105364-3-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/memory.c

@@ -3839,7 +3839,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
 			lru_add_drain();
 	}
 
-	cgroup_throttle_swaprate(page, GFP_KERNEL);
+	folio_throttle_swaprate(folio, GFP_KERNEL);
 
 	/*
 	 * Back out if somebody else already faulted in this pte.