linux-kernel - [PATCH v3 1/2] mm/page-writeback.c: Update comment for BANDWIDTH

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Message-Id: <20241009151728.300477-2-yizhou.tang@shopee.com>
Date: Wed,  9 Oct 2024 23:17:27 +0800
From: Tang Yizhou <yizhou.tang@...pee.com>
To: jack@...e.cz,
	hch@...radead.org,
	akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org,
	Tang Yizhou <yizhou.tang@...pee.com>
Subject: [PATCH v3 1/2] mm/page-writeback.c: Update comment for BANDWIDTH_INTERVAL

From: Tang Yizhou <yizhou.tang@...pee.com>

The name of the BANDWIDTH_INTERVAL macro is misleading, as it is not
only used in the bandwidth update functions wb_update_bandwidth() and
__wb_update_bandwidth(), but also in the dirty limit update function
domain_update_dirty_limit().

Currently, we haven't found an ideal name, so update the comment only.

Signed-off-by: Tang Yizhou <yizhou.tang@...pee.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 fcd4c1439cb9..c7c6b58a8461 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -54,7 +54,7 @@
 #define DIRTY_POLL_THRESH	(128 >> (PAGE_SHIFT - 10))
 
 /*
- * Estimate write bandwidth at 200ms intervals.
+ * Estimate write bandwidth or update dirty limit at 200ms intervals.
  */
 #define BANDWIDTH_INTERVAL	max(HZ/5, 1)
 
-- 
2.25.1