From: Chi Wu <wuchi.zero@gmail.com>
To: jack@suse.cz
Cc: akpm@linux-foundation.org, axboe@fb.com,
hcochran@kernelspring.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, mszeredi@redhat.com, sedat.dilek@gmail.com,
tj@kernel.org, Chi Wu <wuchi.zero@gmail.com>
Subject: [PATCH v2] mm/page-writeback: Update the comment of Dirty position control
Date: Tue, 11 May 2021 18:36:06 +0800 [thread overview]
Message-ID: <20210511103606.3732-1-wuchi.zero@gmail.com> (raw)
In-Reply-To: <20210511090632.GH24154@quack2.suse.cz>
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@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..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
next prev parent reply other threads:[~2021-05-11 10:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 5:26 [PATCH] mm/page-writeback: Update the comment of Dirty position control Chi Wu
2021-05-11 9:06 ` Jan Kara
2021-05-11 10:01 ` chi wu
2021-05-11 10:36 ` Chi Wu [this message]
2021-05-11 10:45 ` [PATCH v2] " Jan Kara
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