From: huxiang <huxiang@uniontech.com>
Date: Thu, 22 Apr 2021 06:42:21 +0000 (+1000)
Subject: mm/page_alloc: redundant definition variables of pfn in for loop
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0b6bbc8575f07c39de72bd5760a34972de64ec74;p=users%2Fjedix%2Flinux-maple.git

mm/page_alloc: redundant definition variables of pfn in for loop

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

Link: https://lkml.kernel.org/r/20210401022802.10358-1-huxiang@uniontech.com
Signed-off-by: huxiang <huxiang@uniontech.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bcdc0c6f21f1..0ebc54f72b30 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3322,7 +3322,7 @@ 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);