[PATCH] mm/page-writeback: Use __this_cpu_inc() in account_page_dirtied()

[Chi Wu]

As account_page_dirtied() was always protected by xa_lock_irqsave(),
so using __this_cpu_inc() is better.

Signed-off-by: Chi Wu <wuchi.zero@xxxxxxxxx>
---
 mm/page-writeback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0062d5c57d41..e3901d0d329e 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2436,7 +2436,7 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
 		inc_wb_stat(wb, WB_DIRTIED);
 		task_io_account_write(PAGE_SIZE);
 		current->nr_dirtied++;
-		this_cpu_inc(bdp_ratelimits);
+		__this_cpu_inc(bdp_ratelimits);
 
 		mem_cgroup_track_foreign_dirty(page, wb);
 	}
-- 
2.17.1