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Date: Thu, 14 Sep 2017 10:19:11 -0700
From: Ram Pai <linuxram@us.ibm.com>
To: Balbir Singh <bsingharora@gmail.com>
Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
 benh@kernel.crashing.org, paulus@samba.org,
 khandual@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com,
 hbabu@us.ibm.com, mhocko@kernel.org, bauerman@linux.vnet.ibm.com,
 ebiederm@xmission.com
Subject: Re: [PATCH 7/7] powerpc: capture the PTE format changes in the dump
 pte report
Reply-To: Ram Pai <linuxram@us.ibm.com>
References: <1504910713-7094-1-git-send-email-linuxram@us.ibm.com>
 <1504910713-7094-8-git-send-email-linuxram@us.ibm.com>
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On Thu, Sep 14, 2017 at 01:22:27PM +1000, Balbir Singh wrote:
> On Fri,  8 Sep 2017 15:44:47 -0700
> Ram Pai <linuxram@us.ibm.com> wrote:
> 
> > The H_PAGE_F_SECOND,H_PAGE_F_GIX are not in the 64K main-PTE.
> > capture these changes in the dump pte report.
> > 
> > Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> > Signed-off-by: Ram Pai <linuxram@us.ibm.com>
> > ---
> 
> So we lose slot and secondary information for 64K PTE's with
> this change?

yes. It was anyway not there for 4k-backed-64k ptes. Now it wont
be there for any 64k ptes.

RP