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To: William Lee Irwin III <wli@holomorphy.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
        Linux Kernel Development <linux-kernel@vger.kernel.org>,
        Linux/m68k <linux-m68k@lists.linux-m68k.org>
Subject: Re: vma->vm_end > 0x60000000
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	<20011206191734.B818@holomorphy.com>
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From: Andreas Schwab <schwab@suse.de>
Date: 07 Dec 2001 09:33:12 +0100
In-Reply-To: <20011206191734.B818@holomorphy.com> (William Lee Irwin III's message of "Thu, 6 Dec 2001 19:17:34 -0800")
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William Lee Irwin III <wli@holomorphy.com> writes:

|> On Tue, Oct 31, 2000 at 04:48:11PM +0100, Geert Uytterhoeven wrote:
|> > In fs/proc/array.c:proc_pid_statm() there is this test block:
|> > 
|> >     if (vma->vm_flags & VM_EXECUTABLE)
|> > 	    trs += pages;   /* text */
|> >     else if (vma->vm_flags & VM_GROWSDOWN)
|> > 	    drs += pages;   /* stack */
|> >     else if (vma->vm_end > 0x60000000)
|> > 	    lrs += pages;   /* library */
|> >     else
|> > 	    drs += pages;
|> > 
|> > Is there any special reason for the hardcoded constant `0x60000000'?
|> > In the Linux/m68k tree, we use TASK_UNMAPPED_BASE instead. But I don't know
|> > why.
|> 
|> I think this is an old x86 load address for an ELF interpreter.

No, it is a leftover from the a.out times.  IMHO it should be removed
completely.  "Library pages" has no meaning for ELF.

Andreas.

-- 
Andreas Schwab                                  "And now for something
Andreas.Schwab@suse.de				completely different."
SuSE Labs, SuSE GmbH, Schanz?ckerstr. 10, D-90443 N?rnberg
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