The patch titled
Subject: mm/vmscan: remove unneeded return value of kswapd_run()
has been removed from the -mm tree. Its filename was
mm-vmscan-remove-unneeded-return-value-of-kswapd_run.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/vmscan: remove unneeded return value of kswapd_run()
The return value of kswapd_run() is unused now. Clean it up.
Link: https://lkml.kernel.org/r/20210717065911.61497-4-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Alex Shi <alexs@xxxxxxxxxx>
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Shaohua Li <shli@xxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Yu Zhao <yuzhao@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/swap.h | 2 +-
mm/vmscan.c | 7 ++-----
2 files changed, 3 insertions(+), 6 deletions(-)
--- a/include/linux/swap.h~mm-vmscan-remove-unneeded-return-value-of-kswapd_run
+++ a/include/linux/swap.h
@@ -408,7 +408,7 @@ static inline bool node_reclaim_enabled(
extern void check_move_unevictable_pages(struct pagevec *pvec);
-extern int kswapd_run(int nid);
+extern void kswapd_run(int nid);
extern void kswapd_stop(int nid);
#ifdef CONFIG_SWAP
--- a/mm/vmscan.c~mm-vmscan-remove-unneeded-return-value-of-kswapd_run
+++ a/mm/vmscan.c
@@ -4434,23 +4434,20 @@ unsigned long shrink_all_memory(unsigned
* This kswapd start function will be called by init and node-hot-add.
* On node-hot-add, kswapd will moved to proper cpus if cpus are hot-added.
*/
-int kswapd_run(int nid)
+void kswapd_run(int nid)
{
pg_data_t *pgdat = NODE_DATA(nid);
- int ret = 0;
if (pgdat->kswapd)
- return 0;
+ return;
pgdat->kswapd = kthread_run(kswapd, pgdat, "kswapd%d", nid);
if (IS_ERR(pgdat->kswapd)) {
/* failure at boot is fatal */
BUG_ON(system_state < SYSTEM_RUNNING);
pr_err("Failed to start kswapd on node %d\n", nid);
- ret = PTR_ERR(pgdat->kswapd);
pgdat->kswapd = NULL;
}
- return ret;
}
/*
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-page_allocc-avoid-accessing-uninitialized-pcp-page-migratetype.patch
mm-memory_hotplug-use-helper-zone_is_zone_device-to-simplify-the-code.patch
mm-memory_hotplug-make-hwpoisoned-dirty-swapcache-pages-unmovable.patch
mm-zsmallocc-close-race-window-between-zs_pool_dec_isolated-and-zs_unregister_migration.patch
mm-zsmallocc-combine-two-atomic-ops-in-zs_pool_dec_isolated.patch
