linux-kernel - [PATCH] mm: page_alloc: fix the incorrect parameter

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Message-Id: <20240514065933.1523170-1-yajun.deng@linux.dev>
Date: Tue, 14 May 2024 14:59:33 +0800
From: Yajun Deng <yajun.deng@...ux.dev>
To: akpm@...ux-foundation.org,
	hannes@...xchg.org,
	vbabka@...e.cz
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Yajun Deng <yajun.deng@...ux.dev>
Subject: [PATCH] mm: page_alloc: fix the incorrect parameter

The first parameter passed to set_pageblock_migratetype should be the
buddy, not the page. Let's change it back correctly.

Fixes: fd919a85cd55 ("mm: page_isolation: prepare for hygienic freelists")
Signed-off-by: Yajun Deng <yajun.deng@...ux.dev>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cd584aace6bf..5422f6f8975d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1728,7 +1728,7 @@ bool move_freepages_block_isolate(struct zone *zone, struct page *page,
 
 		del_page_from_free_list(buddy, zone, order,
 					get_pfnblock_migratetype(buddy, pfn));
-		set_pageblock_migratetype(page, migratetype);
+		set_pageblock_migratetype(buddy, migratetype);
 		split_large_buddy(zone, buddy, pfn, order);
 		return true;
 	}
-- 
2.25.1