From: "Arnaud S . Launay" <asl@launay.org>
To: Andries Brouwer <aeb@veritas.com>
Cc: aprasad@in.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: processes> 2^15
Date: Tue, 7 Nov 2000 08:59:11 +0100 [thread overview]
Message-ID: <20001107085911.A2546@profile4u.com> (raw)
In-Reply-To: <CA25698D.00608C13.00@d73mta05.au.ibm.com> <20001104210158.A13496@veritas.com>
In-Reply-To: <20001104210158.A13496@veritas.com>; from aeb@veritas.com on Sat, Nov 04, 2000 at 09:01:58PM +0100
Le Sat, Nov 04, 2000 at 09:01:58PM +0100, Andries Brouwer a écrit:
> > after reaching process count something around 30568, processes start
> > getting pid from start, which ever is the first free entry slot in process
> > table. that means we can't have simultaneously more than roughly 2^15
> > processes?
> > am i correct?
>
> Yes.
> (If that displeases you I can give you the trivial patch.
> However, you really need some awesome machine before it
> becomes reasonable to run that many processes.)
In the fact, the first limit to be reached will be NR_TASKS defined in
linux/tasks.h:
#define NR_TASKS 512 /* On x86 Max 4092, or 4090 w/APM configured. */
So I wonder if we could really have more than 4092 process under x86 ?
Arnaud.
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next prev parent reply other threads:[~2000-11-07 7:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-04 13:57 processes> 2^15 aprasad
2000-11-04 18:18 ` Alan Cox
2000-11-04 20:01 ` Andries Brouwer
2000-11-07 7:59 ` Arnaud S . Launay [this message]
2000-11-07 8:14 ` Matti Aarnio
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