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From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>
Cc: mattiase@acm.org, larsi@gnus.org, 54698@debbugs.gnu.org,
	p.stephani2@gmail.com, rms@gnu.org
Subject: bug#54698: non-recursive GC marking [PATCH]
Date: Wed, 06 Apr 2022 15:23:20 +0300	[thread overview]
Message-ID: <83k0c2csef.fsf@gnu.org> (raw)
In-Reply-To: <87tub6zabp.fsf@yahoo.com> (message from Po Lu on Wed, 06 Apr 2022 20:05:14 +0800)

> From: Po Lu <luangruo@yahoo.com>
> Cc: rms@gnu.org,  p.stephani2@gmail.com,  mattiase@acm.org,  larsi@gnus.org,
>   54698@debbugs.gnu.org
> Date: Wed, 06 Apr 2022 20:05:14 +0800
> 
> Overcommit can be disabled on GNU/Linux (the relevant knob is
> vm.overcommit_memory), which will malloc return an error when there is
> no more memory left on the system, thereby triggering memory_full.

Then I think we should advise users to do that.

> malloc can also fail when it runs out of virtual memory, especially on
> 32-bit systems.

Why only 32-bit?  If overcommit is disabled, isn't the amount of VM
determined by the sum of physical memory + swap space?  If so, you
could run out of VM on 64-bit systems as well, no?





  reply	other threads:[~2022-04-06 12:23 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-03 18:40 bug#54698: non-recursive GC marking [PATCH] Mattias Engdegård
2022-04-04 11:01 ` Lars Ingebrigtsen
2022-04-04 11:16   ` Mattias Engdegård
2022-04-04 11:29     ` Lars Ingebrigtsen
2022-04-04 11:31       ` Lars Ingebrigtsen
2022-04-04 11:38     ` Eli Zaretskii
2022-04-04 11:57       ` Mattias Engdegård
2022-04-04 12:25         ` Eli Zaretskii
2022-04-04 17:18           ` Mattias Engdegård
2022-04-05  1:15     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-05  8:08       ` Mattias Engdegård
2022-04-05  8:39         ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-05 11:11           ` Mattias Engdegård
2022-04-05 11:26             ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-05 11:43         ` Eli Zaretskii
2022-04-05 12:31           ` Philipp Stephani
2022-04-05 13:12             ` Eli Zaretskii
2022-04-06  4:09               ` Richard Stallman
2022-04-06  5:48                 ` Phil Sainty
2022-04-06 10:59                 ` Eli Zaretskii
2022-04-06 12:05                   ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-06 12:23                     ` Eli Zaretskii [this message]
2022-04-06 12:34                       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-06 14:10                         ` Eli Zaretskii
2022-04-06 12:52                       ` Lars Ingebrigtsen
2022-04-08  4:24                     ` Richard Stallman
2022-04-08  5:49                       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-08  6:16                         ` Eli Zaretskii
2022-04-08  7:41                           ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-08 11:15                             ` Eli Zaretskii
2022-04-08 11:32                               ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-08 11:55                             ` Lars Ingebrigtsen
2022-04-08 11:58                               ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-08 12:07                                 ` Lars Ingebrigtsen
2022-04-08 12:16                                   ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-08 13:07                                     ` Lars Ingebrigtsen
2022-04-09  0:28                                       ` Phil Sainty
2022-04-08 12:13                               ` Eli Zaretskii
2022-04-04 14:32 ` Andrea Corallo
2022-04-04 14:39   ` Mattias Engdegård
2022-04-04 15:44     ` Andrea Corallo
2022-04-04 16:04       ` Mattias Engdegård
2022-04-05  9:10         ` Andrea Corallo

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