From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 28 Jul 2005 08:35:44 +0000
Subject: Re: Add prefetch switch stack hook in scheduler function
Message-Id: <20050728083544.GA22740@elte.hu>
List-Id: <linux-ia64.vger.kernel.org>
References: <10613.1122538148@kao2.melbourne.sgi.com> <42E897FD.6060506@yahoo.com.au>
In-Reply-To: <42E897FD.6060506@yahoo.com.au>
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To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Keith Owens <kaos@ocs.com.au>, David.Mosberger@acm.org, Andrew Morton <akpm@osdl.org>, "Chen, Kenneth W" <kenneth.w.chen@intel.com>, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org


* Nick Piggin <nickpiggin@yahoo.com.au> wrote:

> >No, they can be up to 30K apart.  See include/asm-ia64/ptrace.h.
> >thread_info is at ~0xda0, depending on the config.  The switch_stack
> >can be as high as 0x7bd0 in the kernel stack, depending on why the task
> >is sleeping.
> >
> 
> Just a minor point, I agree with David: I'd like it to be called 
> prefetch_task(), because some architecture may want to prefetch other 
> memory.

such as?

	Ingo