The patch titled
Subject: mm/page-writeback: update the comment of Dirty position control
has been added to the -mm tree. Its filename is
mm-page-writeback-update-the-comment-of-dirty-position-control.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-page-writeback-update-the-comment-of-dirty-position-control.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-page-writeback-update-the-comment-of-dirty-position-control.patch
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------------------------------------------------------
From: Chi Wu <wuchi.zero@xxxxxxxxx>
Subject: 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@xxxxxxxxx
Signed-off-by: Chi Wu <wuchi.zero@xxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Cc: Jens Axboe <axboe@xxxxxx>
Cc: Howard Cochran <hcochran@xxxxxxxxxxxxxxxx>
Cc: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Cc: Sedat Dilek <sedat.dilek@xxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page-writeback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/page-writeback.c~mm-page-writeback-update-the-comment-of-dirty-position-control
+++ a/mm/page-writeback.c
@@ -845,7 +845,7 @@ static long long pos_ratio_polynom(unsig
* ^ pos_ratio
* |
* | |<===== global dirty control scope ======>|
- * 2.0 .............*
+ * 2.0 * * * * * * *
* | .*
* | . *
* | . *
_
Patches currently in -mm which might be from wuchi.zero@xxxxxxxxx are
mm-page-writeback-fix-performance-when-bdis-share-of-ratio-is-0.patch
mm-page-writeback-update-the-comment-of-dirty-position-control.patch
