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From: "David S. Miller" <davem@davemloft.net>
To: David Howells <dhowells@redhat.com>
Cc: torvalds@osdl.org, akpm@osdl.org, dwmw2@infradead.org,
	linux-arch@vger.kernel.org
Subject: Re: [patch 19/24] TASK_SIZE is variable.
Date: Mon, 7 Feb 2005 11:30:00 -0800	[thread overview]
Message-ID: <20050207113000.79c60358.davem@davemloft.net> (raw)
In-Reply-To: <24245.1107773953@redhat.com>

On Mon, 07 Feb 2005 10:59:13 +0000
David Howells <dhowells@redhat.com> wrote:

> David S. Miller <davem@davemloft.net> wrote:
> 
> > > For example, replacing TASK_SIZE in fs/namei.c with "thread->addr_limit" 
> > > would actually clean up the code: it would mean that the games with 
> > > "get_fs()" etc would just go away, to be replaced with something like
> > 
> > I think that looks nice too.
> > 
> > Would you be against a "mm->addr_limit"?  That's what an approach
> > by Paulus implemented, and I was in the camp supporting that kind
> > of direction.
> 
> On the other hand, this value is constant on some archs, and in those cases,
> wouldn't it be better for it to be a compile-time constant?

How can it be constant?  It would need to change when a set_fs(KERNEL_DS)
is performed.

  reply	other threads:[~2005-02-07 19:30 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200502050150.j151osl11380@mail.osdl.org>
2005-02-05  2:16 ` [patch 19/24] TASK_SIZE is variable Linus Torvalds
2005-02-05  3:29   ` Linus Torvalds
2005-02-05  5:52     ` David S. Miller
2005-02-07 10:59       ` David Howells
2005-02-07 19:30         ` David S. Miller [this message]
2005-02-08  9:05           ` Martin Schwidefsky
2005-02-08 19:09             ` David S. Miller
2005-02-05  9:06     ` Russell King
2005-02-05 23:44       ` David S. Miller
2005-02-06 10:50         ` Andi Kleen
2005-02-06 21:19           ` David S. Miller
2005-02-06 21:31             ` Andi Kleen
2005-02-06 21:31               ` David S. Miller
2005-02-06 21:50                 ` Andi Kleen
2005-02-06 22:25                   ` David S. Miller
2005-02-06 22:31                   ` David S. Miller
2005-02-07  8:11                     ` Andi Kleen
2005-02-07 19:28                       ` David S. Miller
2005-02-07 20:15                         ` Andi Kleen
2005-02-07 20:13                           ` David S. Miller
2005-02-05  6:54   ` Andi Kleen
2005-02-05  7:18     ` Andrew Morton
2005-02-05  7:40       ` Andi Kleen
2005-02-05 23:27         ` David S. Miller
2005-02-06 10:38           ` Andi Kleen
2005-02-06 13:05           ` Matthew Wilcox
2005-02-05 23:15       ` David S. Miller

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