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From: Jens Axboe <axboe@kernel.dk>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Ammar Faizi <ammarfaizi2@gnuweeb.org>,
	Drew DeVault <sir@cmpwn.com>,
	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: Wed, 17 Nov 2021 16:17:26 -0700	[thread overview]
Message-ID: <ec24ff4e-8413-914c-7cdf-203a7a5f0586@kernel.dk> (raw)
In-Reply-To: <YZWBkZHdsh5LtWSG@cmpxchg.org>

On 11/17/21 3:26 PM, Johannes Weiner wrote:
>> Link: https://lkml.kernel.org/r/20211028080813.15966-1-sir@cmpwn.com
>> Signed-off-by: Drew DeVault <sir@cmpwn.com>
>> Acked-by: Jens Axboe <axboe@kernel.dk>
>> Acked-by: Cyril Hrubis <chrubis@suse.cz>
>> Cc: Pavel Begunkov <asml.silence@gmail.com>
>> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> 
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> 
> As per above, I think basing it off of RAM size would be better, but
> this increase is overdue given all the new users beyond mlock(), and
> 8M is much better than the current value.

That's basically my reasoning too. Let's just get something going that
will at least unblock some valid use cases, and not get bogged down with
aiming for perfection. The latter can happen in parallel, but it should
not hold it up imho.

-- 
Jens Axboe


  reply	other threads:[~2021-11-17 23:17 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 [this message]
2021-11-18 21:58             ` Andrew Morton
2021-11-19  7:41               ` Drew DeVault

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