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mm/vmscan: remove unneeded return value of kswapd_run()

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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]>
This commit is contained in:
Miaohe Lin authored and Linus Torvalds committed 2021-09-03 09:58:17 -07:00
1 parent eaad1ae781
commit b87c517ac5
2 files changed
+3 -6
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include/linux/swap.h
+1 -1
View File
@@ -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
mm/vmscan.c
+2 -5
View File
@@ -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;
}
/*