linux-kernel - [PATCH] mm/vmscan: remove obsolete comment in get_scan

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Date:   Sat, 9 Apr 2022 11:02:45 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] mm/vmscan: remove obsolete comment in get_scan_count

Since commit 1431d4d11abb ("mm: base LRU balancing on an explicit cost
model"), the relative value of each set of LRU lists is based on cost
model instead of rotated/scanned ratio. Cleanup the relevant comment.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/vmscan.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index c77d5052f230..c43008114fb4 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2663,9 +2663,7 @@ enum scan_balance {
 
 /*
  * Determine how aggressively the anon and file LRU lists should be
- * scanned.  The relative value of each set of LRU lists is determined
- * by looking at the fraction of the pages scanned we did rotate back
- * onto the active list instead of evict.
+ * scanned.
  *
  * nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan
  * nr[2] = file inactive pages to scan; nr[3] = file active pages to scan
-- 
2.23.0