linux-kernel - [PATCH v2] mm/page-writeback: Update the comment of Dirty position control

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 11 May 2021 18:36:06 +0800
From:   Chi Wu <wuchi.zero@...il.com>
To:     jack@...e.cz
Cc:     akpm@...ux-foundation.org, axboe@...com, hcochran@...nelspring.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        mszeredi@...hat.com, sedat.dilek@...il.com, tj@...nel.org,
        Chi Wu <wuchi.zero@...il.com>
Subject: [PATCH v2] 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.

Signed-off-by: Chi Wu <wuchi.zero@...il.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..3882405dc051 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  * * * * * * *
  *     |            .*
  *     |            . *
  *     |            .   *
-- 
2.17.1