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| author | Jens Axboe <axboe@kernel.dk> | 2020-10-15 18:13:07 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-10-17 17:25:44 +0200 |
| commit | a8b595b22d31f83b715511f59012f152a269d83b (patch) | |
| tree | d16fad2aa6470eb99755f5fc02960e6fb86b0730 | |
| parent | io_uring: fix error path cleanup in io_sqe_files_register() (diff) | |
| download | linux-a8b595b22d31f83b715511f59012f152a269d83b.tar.xz linux-a8b595b22d31f83b715511f59012f152a269d83b.zip | |
io-wq: assign NUMA node locality if appropriate
There was an assumption that kthread_create_on_node() would properly set
NUMA affinities in terms of CPUs allowed, but it doesn't. Make sure we
do this when creating an io-wq context on NUMA.
Cc: stable@vger.kernel.org
Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io-wq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c index 0a182f1333e8..149fd2f0927e 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -676,6 +676,7 @@ static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index) kfree(worker); return false; } + kthread_bind_mask(worker->task, cpumask_of_node(wqe->node)); raw_spin_lock_irq(&wqe->lock); hlist_nulls_add_head_rcu(&worker->nulls_node, &wqe->free_list); |