aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMiaohe Lin <[email protected]>2021-09-02 14:59:46 -0700
committerLinus Torvalds <[email protected]>2021-09-03 09:58:17 -0700
commitb87c517ac5de168aec6e8318ca0707b11b2ccfaf (patch)
treee97eca9db119b5f31104f3fbff56b326949f8039
parenteaad1ae7819fa2b8616a31c66d48982b1bb85d62 (diff)
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/[email protected] Signed-off-by: Miaohe Lin <[email protected]> Acked-by: Michal Hocko <[email protected]> Cc: Alex Shi <[email protected]> Cc: Alistair Popple <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: Hillf Danton <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: John Hubbard <[email protected]> Cc: Joonsoo Kim <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Shaohua Li <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Yu Zhao <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--include/linux/swap.h2
-rw-r--r--mm/vmscan.c7
2 files changed, 3 insertions, 6 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index f30d26b0f71d..ba52f3a3478e 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -408,7 +408,7 @@ static inline bool node_reclaim_enabled(void)
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
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8857e4dcbfd3..ab5019700dc3 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4434,23 +4434,20 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim)
* 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;
}
/*