The patch titled
Subject: mm/vmscan.c: fix -Wunused-but-set-variable warning
has been added to the -mm tree. Its filename is
mm-vmscanc-fix-wunused-but-set-variable-warning.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmscanc-fix-wunused-but-set-variable-warning.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscanc-fix-wunused-but-set-variable-warning.patch
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------------------------------------------------------
From: Kai Song <songkai01@xxxxxxxxxx>
Subject: mm/vmscan.c: fix -Wunused-but-set-variable warning
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]
Link: https://lkml.kernel.org/r/20210924181218.21165-1-songkai01@xxxxxxxxxx
Signed-off-by: Kai Song <songkai01@xxxxxxxxxx>
Reviewed-by: Yang Shi <shy828301@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/vmscan.c~mm-vmscanc-fix-wunused-but-set-variable-warning
+++ a/mm/vmscan.c
@@ -1344,7 +1344,6 @@ static unsigned int demote_page_list(str
{
int target_nid = next_demotion_node(pgdat->node_id);
unsigned int nr_succeeded;
- int err;
if (list_empty(demote_pages))
return 0;
@@ -1353,7 +1352,7 @@ static unsigned int demote_page_list(str
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);
_
Patches currently in -mm which might be from songkai01@xxxxxxxxxx are
mm-vmscanc-fix-wunused-but-set-variable-warning.patch
