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-rw-r--r--include/linux/compaction.h5
-rw-r--r--mm/compaction.c7
2 files changed, 4 insertions, 8 deletions
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 34bce35c808d..52a9ff65faee 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -177,7 +177,7 @@ static inline bool compaction_withdrawn(enum compact_result result)
bool compaction_zonelist_suitable(struct alloc_context *ac, int order,
int alloc_flags);
-extern int kcompactd_run(int nid);
+extern void kcompactd_run(int nid);
extern void kcompactd_stop(int nid);
extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int highest_zoneidx);
@@ -212,9 +212,8 @@ static inline bool compaction_withdrawn(enum compact_result result)
return true;
}
-static inline int kcompactd_run(int nid)
+static inline void kcompactd_run(int nid)
{
- return 0;
}
static inline void kcompactd_stop(int nid)
{
diff --git a/mm/compaction.c b/mm/compaction.c
index baf654b5e073..2e838992b324 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -3016,21 +3016,18 @@ static int kcompactd(void *p)
* This kcompactd start function will be called by init and node-hot-add.
* On node-hot-add, kcompactd will moved to proper cpus if cpus are hot-added.
*/
-int kcompactd_run(int nid)
+void kcompactd_run(int nid)
{
pg_data_t *pgdat = NODE_DATA(nid);
- int ret = 0;
if (pgdat->kcompactd)
- return 0;
+ return;
pgdat->kcompactd = kthread_run(kcompactd, pgdat, "kcompactd%d", nid);
if (IS_ERR(pgdat->kcompactd)) {
pr_err("Failed to start kcompactd on node %d\n", nid);
- ret = PTR_ERR(pgdat->kcompactd);
pgdat->kcompactd = NULL;
}
- return ret;
}
/*