diff options
| author | Chi Wu | 2021-06-28 19:35:37 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2021-06-29 10:53:47 -0700 |
| commit | 87e3789749750d83aa085f04f74242087de0154b (patch) | |
| tree | 1e6ba1c4c4b02f2fd86ad463b2eff74675af3585 | |
| parent | 0323155437870dbbae6e30fb659d7514c9f649da (diff) | |
mm/page-writeback: use __this_cpu_inc() in account_page_dirtied()
As account_page_dirtied() was always protected by xa_lock_irqsave(), so
using __this_cpu_inc() is better.
Link: https://lkml.kernel.org/r/20210512144742.4764-1-wuchi.zero@gmail.com
Signed-off-by: Chi Wu <wuchi.zero@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Howard Cochran <hcochran@kernelspring.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/page-writeback.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index d0f090d682f5..c2a849d653a9 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2445,7 +2445,7 @@ 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); } |