patches/old/mm-vmscan-modify-the-assignment-logic-of-the-scan-and-total_scan-variables.patch

From: Hao Ge <gehao@kylinos.cn>
Subject: mm/vmscan: modify the assignment logic of the scan and total_scan variables
Date: Thu, 17 Apr 2025 17:24:22 +0800

The scan and total_scan variables can be initialized to 0 when they are
defined, replacing the separate assignment statements.

Link: https://lkml.kernel.org/r/20250417092422.1333620-1-hao.ge@linux.dev
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Acked-by: Dev Jain <dev.jain@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmscan.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/mm/vmscan.c~mm-vmscan-modify-the-assignment-logic-of-the-scan-and-total_scan-variables
+++ a/mm/vmscan.c
@@ -1725,13 +1725,11 @@ static unsigned long isolate_lru_folios(
 	unsigned long nr_taken = 0;
 	unsigned long nr_zone_taken[MAX_NR_ZONES] = { 0 };
 	unsigned long nr_skipped[MAX_NR_ZONES] = { 0, };
-	unsigned long skipped = 0;
-	unsigned long scan, total_scan, nr_pages;
+	unsigned long skipped = 0, total_scan = 0, scan = 0;
+	unsigned long nr_pages;
 	unsigned long max_nr_skipped = 0;
 	LIST_HEAD(folios_skipped);
 
-	total_scan = 0;
-	scan = 0;
 	while (scan < nr_to_scan && !list_empty(src)) {
 		struct list_head *move_to = src;
 		struct folio *folio;
_