From: Al Boldi <a1426z@gawab.com>
To: "Barry K. Nathan" <barryn@pobox.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] strict VM overcommit accounting for 2.4.32/2.4.33-pre1
Date: Fri, 30 Dec 2005 23:51:58 +0300 [thread overview]
Message-ID: <200512302351.58650.a1426z@gawab.com> (raw)
In-Reply-To: <986ed62e0512301218v30dd5d67m699bf7c29375a1fe@mail.gmail.com>
Barry K. Nathan wrote:
> On 12/30/05, Al Boldi <a1426z@gawab.com> wrote:
> > Thanks a lot!
> >
> > > +3 - (NEW) paranoid overcommit The total address space commit
> > > + for the system is not permitted to exceed swap. The machine
> > > + will never kill a process accessing pages it has mapped
> > > + except due to a bug (ie report it!)
> >
> > This one isn't in 2.6, which is critical for a stable system.
>
> I think you can get paranoid overcommit with either my patch or 2.6 by
> setting /proc/sys/vm/overcommit_mode to 2 *and*
> /proc/sys/vm/overcommit_ratio to 0, however.
Not really in 2.6.
And even if this were made to work, what would it imply to a system running
w/o swap?
Thanks!
--
Al
next prev parent reply other threads:[~2005-12-30 20:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-30 20:06 [PATCH] strict VM overcommit accounting for 2.4.32/2.4.33-pre1 Al Boldi
2005-12-30 20:18 ` Barry K. Nathan
2005-12-30 20:51 ` Al Boldi [this message]
2005-12-30 21:44 ` Willy TARREAU
2005-12-31 0:55 ` Alan Cox
2005-12-31 4:59 ` Al Boldi
2005-12-31 7:38 ` Willy Tarreau
2005-12-31 14:02 ` Al Boldi
2005-12-31 14:18 ` Willy Tarreau
2005-12-31 14:26 ` Arjan van de Ven
2005-12-31 14:58 ` Willy Tarreau
2005-12-31 15:17 ` Arjan van de Ven
2005-12-31 17:36 ` Al Boldi
2006-01-01 9:12 ` Arjan van de Ven
-- strict thread matches above, loose matches on Subject: below --
2005-12-30 7:44 Barry K. Nathan
2005-12-30 17:48 ` Willy Tarreau
2005-12-30 18:17 ` Arjan van de Ven
2005-12-30 18:33 ` Willy Tarreau
2005-12-30 19:37 ` Barry K. Nathan
2005-12-30 20:45 ` Willy Tarreau
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