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Date: Tue, 8 Feb 2005 11:09:06 -0800
From: "David S. Miller" <davem@davemloft.net>
Subject: Re: [patch 19/24] TASK_SIZE is variable.
Message-Id: <20050208110906.5b339201.davem@davemloft.net>
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To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: akpm@osdl.org, dhowells@redhat.com, dwmw2@infradead.org, linux-arch@vger.kernel.org, torvalds@osdl.org
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On Tue, 8 Feb 2005 10:05:06 +0100
Martin Schwidefsky <schwidefsky@de.ibm.com> wrote:

> It can be a constant on architectures that use a separate address space for
> the kernel, e.g. s390. In fact I don't set addr_limit at all, access_ok and
> friends always return 1.

I wouldn't say it's constant in this case, but rather that it's not
needed at all. :-)

Sparc64 also returns "1" all the time, and will continue to do so no matter
what the non-split kernel/user platforms end up doing, just like s390.