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authorKai Song <songkai01@inspur.com>2021-11-05 13:42:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-06 13:30:40 -0700
commitcb75463ca73483e79fbbad60f6fb704ee0489856 (patch)
treeb3a63bb56e6a7255e949ca6cc090814fe347ad63 /mm/vmscan.c
parenta500cb342c84a4c4696850304124bc801331c4a8 (diff)
downloadlwn-cb75463ca73483e79fbbad60f6fb704ee0489856.tar.gz
lwn-cb75463ca73483e79fbbad60f6fb704ee0489856.zip
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@inspur.com Signed-off-by: Kai Song <songkai01@inspur.com> Reviewed-by: Yang Shi <shy828301@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 74296c2d1fed..9483dd6af550 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1337,7 +1337,6 @@ 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;
@@ -1346,7 +1345,7 @@ 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);