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

[huxiang]

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

Signed-off-by: huxiang <huxiang@xxxxxxxxxxxxx>
---
 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