diff options
| author | Chi Wu <wuchi.zero@gmail.com> | 2021-06-28 19:35:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 10:53:47 -0700 |
| commit | 0323155437870dbbae6e30fb659d7514c9f649da (patch) | |
| tree | aa7ca66262147bd3c046de1e54c49a2f6dfaec0a /mm/page-writeback.c | |
| parent | ab19939a6a5010cba4e9cb04dd8bee03c72edcbd (diff) | |
| download | linux-0323155437870dbbae6e30fb659d7514c9f649da.tar.bz2 | |
mm/page-writeback: update the comment of Dirty position control
As the value of pos_ratio_polynom() clamp between 0 and 2LL <<
RATELIMIT_CALC_SHIFT, the global control line should be consistent with
it.
Link: https://lkml.kernel.org/r/20210511103606.3732-1-wuchi.zero@gmail.com
Signed-off-by: Chi Wu <wuchi.zero@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@fb.com>
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>
Diffstat (limited to 'mm/page-writeback.c')
| -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 aff3205dfde5..d0f090d682f5 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -845,7 +845,7 @@ static long long pos_ratio_polynom(unsigned long setpoint, * ^ pos_ratio * | * | |<===== global dirty control scope ======>| - * 2.0 .............* + * 2.0 * * * * * * * * | .* * | . * * | . * |