linux-kernel - [PATCH] mm/page_alloc: redundant definition variables of pfn in for loop

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20210401022802.10358-1-huxiang@uniontech.com>
Date:   Thu,  1 Apr 2021 10:28:02 +0800
From:   huxiang <huxiang@...ontech.com>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        huxiang <huxiang@...ontech.com>
Subject: [PATCH] mm/page_alloc: redundant definition variables of pfn in for loop

This variable pfn is defined repeatedly, so it can be deleted.

Signed-off-by: huxiang <huxiang@...ontech.com>
---
 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 cfc728739..740224232 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3277,7 +3277,7 @@ void free_unref_page_list(struct list_head *list)
 
 	local_irq_save(flags);
 	list_for_each_entry_safe(page, next, list, lru) {
-		unsigned long pfn = page_private(page);
+		pfn = page_private(page);
 
 		set_page_private(page, 0);
 		trace_mm_page_free_batched(page);
-- 
2.20.1