mm/vmscan: not necessary to re-init the list for each iteration

node_page_list is defined with LIST_HEAD and be cleaned until
list_empty.

So it is not necessary to re-init it again.

[akpm@linux-foundation.org: remove unneeded braces]
Link: https://lkml.kernel.org/r/20220426021743.21007-1-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5ac0a71dc0dfcc0a24a226e4d9f65f8ec91070af..726f5ce366dafefdea9123580c2a516717363f30 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2553,10 +2553,8 @@ unsigned long reclaim_pages(struct list_head *page_list)
 
        while (!list_empty(page_list)) {
                page = lru_to_page(page_list);
-               if (nid == NUMA_NO_NODE) {
+               if (nid == NUMA_NO_NODE)
                        nid = page_to_nid(page);
-                       INIT_LIST_HEAD(&node_page_list);
-               }
 
                if (nid == page_to_nid(page)) {
                        ClearPageActive(page);