Re: [PATCH]: Fix D-cache corruption in mremap()

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On 6/2/06, David Miller <davem@xxxxxxxxxxxxx> wrote:
From: David Miller <davem@xxxxxxxxxxxxx>
Date: Thu, 01 Jun 2006 17:52:58 -0700 (PDT)

> I'll also post a little reproducer program that can be used to
> accurately see if the patch really fixes the problem on your
> machine or not, which should help with the variability of the
> dpkg corruption case.

As promised:

/* mremap() stress tester for D-cache aliasing platforms.
 *
 * Copyright (C) 2006 David S. Miller (davem@xxxxxxxxxxxxx)
 *

great, so if I compile with gcc and run it... I get this:

[chj@arnljot ~]$ gcc mremap-stress-tester.c
[chj@arnljot ~]$ ./a.out
unmapped region at 0xf7d72000
Initial main_buf at 0xf7d72000
Bogus value 00000001 should be 00000002
[chj@arnljot ~]$ uname -a
Linux arnljot 2.6.16-1.2128sp4 #1 Fri May 26 10:08:13 EDT 2006 sparc64
sparc64 sparc64 GNU/Linux
[chj@arnljot ~]$

which means?

--
Cheers,

/ChJ
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