linux-kernel - Re: [RFC v6 05/62] powerpc: capture the PTE format changes in the dump pte report

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Message-Id: <877ez3r6r7.fsf@skywalker.in.ibm.com>
Date:   Thu, 20 Jul 2017 11:26:28 +0530
From:   "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:     Ram Pai <linuxram@...ibm.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-mm@...ck.org, x86@...nel.org, linux-doc@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Cc:     benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
        khandual@...ux.vnet.ibm.com, bsingharora@...il.com,
        dave.hansen@...el.com, hbabu@...ibm.com, linuxram@...ibm.com,
        arnd@...db.de, akpm@...ux-foundation.org, corbet@....net,
        mingo@...hat.com, mhocko@...nel.org
Subject: Re: [RFC v6 05/62] powerpc: capture the PTE format changes in the dump pte report

Ram Pai <linuxram@...ibm.com> writes:

> 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@...ux.vnet.ibm.com>

> Signed-off-by: Ram Pai <linuxram@...ibm.com>
> ---
>  arch/powerpc/mm/dump_linuxpagetables.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c
> index 44fe483..5627edd 100644
> --- a/arch/powerpc/mm/dump_linuxpagetables.c
> +++ b/arch/powerpc/mm/dump_linuxpagetables.c
> @@ -213,7 +213,7 @@ struct flag_info {
>  		.val	= H_PAGE_4K_PFN,
>  		.set	= "4K_pfn",
>  	}, {
> -#endif
> +#else /* CONFIG_PPC_64K_PAGES */
>  		.mask	= H_PAGE_F_GIX,
>  		.val	= H_PAGE_F_GIX,
>  		.set	= "f_gix",
> @@ -224,6 +224,7 @@ struct flag_info {
>  		.val	= H_PAGE_F_SECOND,
>  		.set	= "f_second",
>  	}, {
> +#endif /* CONFIG_PPC_64K_PAGES */
>  #endif
>  		.mask	= _PAGE_SPECIAL,
>  		.val	= _PAGE_SPECIAL,
> -- 
> 1.7.1