Messages in this thread Patch in this message | | | From | Kai Song <> | Subject | [PATCH] mm/vmscan.c:Fix -Wunused-but-set-variable warning | Date | Sat, 25 Sep 2021 02:12:18 +0800 |
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We fix the following warning when building kernel with W=1: mm/vmscan.c:1362:6: warning: variable 'err' set but not used [-Wunused-but-set-variable]
Signed-off-by: Kai Song <songkai01@inspur.com> --- mm/vmscan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c index f8b43f131673..7cf702bc1959 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1359,7 +1359,6 @@ static unsigned int demote_page_list(struct list_head *demote_pages, { int target_nid = next_demotion_node(pgdat->node_id); unsigned int nr_succeeded; - int err; if (list_empty(demote_pages)) return 0; @@ -1368,7 +1367,7 @@ static unsigned int demote_page_list(struct list_head *demote_pages, return 0; /* Demotion ignores all cpuset and mempolicy settings */ - err = migrate_pages(demote_pages, alloc_demote_page, NULL, + migrate_pages(demote_pages, alloc_demote_page, NULL, target_nid, MIGRATE_ASYNC, MR_DEMOTION, &nr_succeeded); -- 2.27.0
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