linux-kernel - [PATCH] mm/mm_init.c: drop node_start_pfn from adjust_zone_range_for_zone

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Message-Id: <20230717065811.1262-1-haifeng.xu@shopee.com>
Date:   Mon, 17 Jul 2023 06:58:11 +0000
From:   Haifeng Xu <haifeng.xu@...pee.com>
To:     rppt@...nel.org
Cc:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Haifeng Xu <haifeng.xu@...pee.com>
Subject: [PATCH] mm/mm_init.c: drop node_start_pfn from adjust_zone_range_for_zone_movable()

node_start_pfn is not used in adjust_zone_range_for_zone_movable(), so
it is pointless to waste a function argument. Drop the parameter.

Signed-off-by: Haifeng Xu <haifeng.xu@...pee.com>
---
 mm/mm_init.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/mm/mm_init.c b/mm/mm_init.c
index a313d1828a6c..23d50541e1f7 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -1105,7 +1105,6 @@ void __ref memmap_init_zone_device(struct zone *zone,
  */
 static void __init adjust_zone_range_for_zone_movable(int nid,
 					unsigned long zone_type,
-					unsigned long node_start_pfn,
 					unsigned long node_end_pfn,
 					unsigned long *zone_start_pfn,
 					unsigned long *zone_end_pfn)
@@ -1222,9 +1221,8 @@ static unsigned long __init zone_spanned_pages_in_node(int nid,
 	/* Get the start and end of the zone */
 	*zone_start_pfn = clamp(node_start_pfn, zone_low, zone_high);
 	*zone_end_pfn = clamp(node_end_pfn, zone_low, zone_high);
-	adjust_zone_range_for_zone_movable(nid, zone_type,
-				node_start_pfn, node_end_pfn,
-				zone_start_pfn, zone_end_pfn);
+	adjust_zone_range_for_zone_movable(nid, zone_type, node_end_pfn,
+					   zone_start_pfn, zone_end_pfn);
 
 	/* Check that this node has pages within the zone's required range */
 	if (*zone_end_pfn < node_start_pfn || *zone_start_pfn > node_end_pfn)
-- 
2.25.1