From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Kerrisk <michael.kerrisk@googlemail.com>,
aaw <aaw@google.com>, Andrew Morton <akpm@linux-foundation.org>,
michael.kerrisk@gmail.com, carlos@codesourcery.com,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-kernel <linux-kernel@vger.kernel.org>,
drepper@redhat.com, mtk.manpages@gmail.com
Subject: Re: [RFC/PATCH] RLIMIT_ARG_MAX
Date: Fri, 29 Feb 2008 18:18:08 +0100 [thread overview]
Message-ID: <1204305488.6243.113.camel@lappy> (raw)
In-Reply-To: <alpine.LFD.1.00.0802290907480.17889@woody.linux-foundation.org>
On Fri, 2008-02-29 at 09:12 -0800, Linus Torvalds wrote:
> > 2. It provides a sane mechanism for an application to determine the
> > space available for argv+environ. Formerly this space was an
> > invariant, advertised via sysconf(_SC_ARG_MAX).
>
> ... and what's the point? We've never had it before, nobody has ever cared,
> and the whole notion is just stupid. Why would we want to limit it? The
> only thing that the kernel *cares* about is the stack size - any other
> size limits are always going to be arbitrary.
Well, don't think of limiting it, but querying the limit.
Programs like xargs would need to know how much to stuff into argv
before starting a new invocation.
next prev parent reply other threads:[~2008-02-29 17:18 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-27 13:37 [RFC/PATCH] RLIMIT_ARG_MAX Peter Zijlstra
2008-02-29 16:05 ` Linus Torvalds
2008-02-29 16:58 ` Michael Kerrisk
2008-02-29 17:12 ` Linus Torvalds
2008-02-29 17:18 ` Peter Zijlstra [this message]
2008-02-29 17:29 ` Linus Torvalds
2008-02-29 17:42 ` Peter Zijlstra
2008-02-29 18:12 ` Linus Torvalds
2008-02-29 19:01 ` Ollie Wild
2008-02-29 19:09 ` Jakub Jelinek
2008-02-29 19:50 ` Linus Torvalds
2008-02-29 20:03 ` Ollie Wild
2008-03-04 20:07 ` Pavel Machek
2008-02-29 17:14 ` Peter Zijlstra
2008-02-29 17:35 ` Linus Torvalds
2008-02-29 17:55 ` Peter Zijlstra
2008-02-29 18:14 ` Linus Torvalds
2008-02-29 18:18 ` Michael Kerrisk
2008-02-29 18:39 ` Linus Torvalds
2008-02-29 19:49 ` Michael Kerrisk
2008-02-29 20:07 ` Linus Torvalds
2008-02-29 20:43 ` Michael Kerrisk
2008-02-29 21:34 ` Linus Torvalds
2008-02-29 21:57 ` Linus Torvalds
2008-03-01 14:21 ` Carlos O'Donell
2008-03-01 8:42 ` Geoff Clare
2008-02-29 18:40 ` Alan Cox
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1204305488.6243.113.camel@lappy \
--to=a.p.zijlstra@chello.nl \
--cc=aaw@google.com \
--cc=akpm@linux-foundation.org \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=carlos@codesourcery.com \
--cc=drepper@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=michael.kerrisk@gmail.com \
--cc=michael.kerrisk@googlemail.com \
--cc=mtk.manpages@gmail.com \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).