Messages in this thread Patch in this message | | | From | Chi Wu <> | Subject | [PATCH] mm/page-writeback: Use __this_cpu_inc() in account_page_dirtied() | Date | Wed, 12 May 2021 22:47:42 +0800 |
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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@gmail.com> --- 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
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