From: Bijan Mottahedeh <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: [RFC 1/1] io_uring: preserve work->mm since actual work processing may need it
Date: Thu, 9 Apr 2020 15:03:37 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
Do not clear work->mm since io_madvise() passes it to do_madvise()
when the request is actually processed.
Signed-off-by: Bijan Mottahedeh <[email protected]>
---
fs/io-wq.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/io-wq.c b/fs/io-wq.c
index 4023c98..4d20754 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -431,8 +431,6 @@ static void io_wq_switch_mm(struct io_worker *worker, struct io_wq_work *work)
if (!worker->mm)
set_fs(USER_DS);
worker->mm = work->mm;
- /* hang on to this mm */
- work->mm = NULL;
return;
}
--
1.8.3.1
next prev parent reply other threads:[~2020-04-09 22:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 22:03 [RFC 0/1] io_uring: preserve work->mm since actual work processing may need it Bijan Mottahedeh
2020-04-09 22:03 ` Bijan Mottahedeh [this message]
2020-04-10 8:47 ` [RFC 1/1] " Pavel Begunkov
2020-04-10 16:54 ` Bijan Mottahedeh
2020-04-10 17:51 ` Pavel Begunkov
2020-04-10 17:57 ` Pavel Begunkov
2020-04-10 19:09 ` Bijan Mottahedeh
2020-04-11 2:17 ` Jens Axboe
2020-04-16 20:24 ` Minchan Kim
2020-04-16 20:30 ` Jens Axboe
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