----- Original Message -----
 Hi Petr,
 
 On Mon, 2012-04-16 at 10:31 +0200, Petr Tesarik wrote:
 > Hi Michael,
 > 
 > I'm not a z/Series guru, but it seems to me that the address should  not be
 > returned directly, but rather assigned to the phys_addr output  parameter.
 
 The fix looks good, thanks! Dave could you please add the patch to the
 next release?
 
 Michael 
Queued for crash-6.0.6.
Thanks,
  Dave
 
 > Petr Tesarik
 > SUSE Linux
 > differences between files attachment
 > (s390x-fix-vtop-for-1M-pages.patch)
 > Subject: [PATCH] s390x: fix vtop for 1M pages
 > 
 > It seems to me that the address should not be returned directly,
 > but rather assigned to the phys_addr output parameter.
 > 
 > Signed-off-by: Petr Tesarik <ptesarik(a)suse.cz>
 > 
 > ---
 >  s390x.c |    6 ++++--
 >  1 file changed, 4 insertions(+), 2 deletions(-)
 > 
 > --- a/s390x.c
 > +++ b/s390x.c
 > @@ -614,9 +614,11 @@ int s390x_vtop(ulong table, ulong vaddr,
 >  	}
 > 
 >  	/* Check if this is a large page. */
 > -	if (entry & 0x400ULL)
 > +	if (entry & 0x400ULL) {
 >  		/* Add the 1MB page offset and return the final value. */
 > -		return table + (vaddr & 0xfffffULL);
 > +		*phys_addr = table + (vaddr & 0xfffffULL);
 > +		return TRUE;
 > +	}
 > 
 >  	/* Get the page table entry */
 >  	entry = _kl_pg_table_deref_s390x(vaddr, entry & ~0x7ffULL);
 
 
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