diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/rhashtable.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 4898442b837f..b28df4019ade 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -405,13 +405,18 @@ int rhashtable_insert_rehash(struct rhashtable *ht) if (rht_grow_above_75(ht, tbl)) size *= 2; - /* More than two rehashes (not resizes) detected. */ - else if (WARN_ON(old_tbl != tbl && old_tbl->size == size)) + /* Do not schedule more than one rehash */ + else if (old_tbl != tbl) return -EBUSY; new_tbl = bucket_table_alloc(ht, size, GFP_ATOMIC); - if (new_tbl == NULL) + if (new_tbl == NULL) { + /* Schedule async resize/rehash to try allocation + * non-atomic context. + */ + schedule_work(&ht->run_work); return -ENOMEM; + } err = rhashtable_rehash_attach(ht, tbl, new_tbl); if (err) { |