From: "Drew DeVault" <sir@cmpwn.com>
To: "Andrew Morton" <akpm@linux-foundation.org>,
"Jens Axboe" <axboe@kernel.dk>
Cc: "Johannes Weiner" <hannes@cmpxchg.org>,
"Ammar Faizi" <ammarfaizi2@gnuweeb.org>,
<linux-kernel@vger.kernel.org>, <linux-api@vger.kernel.org>,
"io_uring Mailing List" <io-uring@vger.kernel.org>,
"Pavel Begunkov" <asml.silence@gmail.com>, <linux-mm@kvack.org>
Subject: Re: [PATCH] Increase default MLOCK_LIMIT to 8 MiB
Date: Fri, 19 Nov 2021 08:41:58 +0100 [thread overview]
Message-ID: <CFTL5A99FTIY.38WS1HS59BT2D@taiga> (raw)
In-Reply-To: <20211118135846.26da93737a70d486e68462bf@linux-foundation.org>
On Thu Nov 18, 2021 at 10:58 PM CET, Andrew Morton wrote:
> Nobody's aiming for perfection. We're discussing aiming for "better".
>
> What we should have done on day one was to set the default MLOCK_LIMIT
> to zero bytes. Then everyone would have infrastructure to tune it from
> userspace and we wouldn't ever have this discussion.
Setting aside perfection or not, what you're aiming for is about 1000×
more work. I'm not prepared to do that work. I'm not going to paint this
same bikeshed 100 times for each Linux distro we have to convince to
adopt a more sophisticated solution.
prev parent reply other threads:[~2021-11-19 7:42 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-28 8:08 [PATCH] Increase default MLOCK_LIMIT to 8 MiB Drew DeVault
2021-10-28 18:22 ` Jens Axboe
2021-11-04 14:27 ` Cyril Hrubis
2021-11-04 14:44 ` Jens Axboe
2021-11-06 2:33 ` Ammar Faizi
2021-11-06 7:05 ` Drew DeVault
2021-11-06 7:12 ` Ammar Faizi
2021-11-16 4:35 ` Andrew Morton
2021-11-16 6:32 ` Drew DeVault
2021-11-16 19:47 ` Andrew Morton
2021-11-16 19:48 ` Drew DeVault
2021-11-16 21:37 ` Andrew Morton
2021-11-17 8:23 ` Drew DeVault
2021-11-22 17:11 ` David Hildenbrand
2021-11-22 17:55 ` Andrew Dona-Couch
2021-11-22 18:26 ` David Hildenbrand
2021-11-22 19:53 ` Jens Axboe
2021-11-22 20:03 ` Matthew Wilcox
2021-11-22 20:04 ` Jens Axboe
2021-11-22 20:08 ` David Hildenbrand
2021-11-22 20:44 ` Jens Axboe
2021-11-22 21:56 ` David Hildenbrand
2021-11-23 12:02 ` David Hildenbrand
2021-11-23 13:25 ` Jason Gunthorpe
2021-11-23 13:39 ` David Hildenbrand
2021-11-23 14:07 ` Jason Gunthorpe
2021-11-23 14:44 ` David Hildenbrand
2021-11-23 17:00 ` Jason Gunthorpe
2021-11-23 17:04 ` David Hildenbrand
2021-11-23 22:04 ` Vlastimil Babka
2021-11-23 23:59 ` Jason Gunthorpe
2021-11-24 8:57 ` David Hildenbrand
2021-11-24 13:23 ` Jason Gunthorpe
2021-11-24 13:25 ` David Hildenbrand
2021-11-24 13:28 ` Jason Gunthorpe
2021-11-24 13:29 ` David Hildenbrand
2021-11-24 13:48 ` Jason Gunthorpe
2021-11-24 14:14 ` David Hildenbrand
2021-11-24 15:34 ` Jason Gunthorpe
2021-11-24 16:43 ` David Hildenbrand
2021-11-24 18:35 ` Jason Gunthorpe
2021-11-24 19:09 ` David Hildenbrand
2021-11-24 23:11 ` Jason Gunthorpe
2021-11-30 15:52 ` David Hildenbrand
2021-11-24 18:37 ` David Hildenbrand
2021-11-24 14:37 ` Vlastimil Babka
2021-11-24 14:41 ` David Hildenbrand
2021-11-16 18:36 ` Matthew Wilcox
2021-11-16 18:44 ` Drew DeVault
2021-11-16 18:55 ` Jens Axboe
2021-11-16 19:21 ` Vito Caputo
2021-11-16 19:25 ` Drew DeVault
2021-11-16 19:46 ` Vito Caputo
2021-11-16 19:41 ` Jens Axboe
2021-11-17 22:26 ` Johannes Weiner
2021-11-17 23:17 ` Jens Axboe
2021-11-18 21:58 ` Andrew Morton
2021-11-19 7:41 ` Drew DeVault [this message]
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