From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: akpm@linux-foundation.org, mpe@ellerman.id.au,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] mm: Some arch may want to use HPAGE_PMD related values as variables
Date: Wed, 10 Feb 2016 08:04:14 +0530 [thread overview]
Message-ID: <87lh6txpi1.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <20160209194206.GA22327@node.shutemov.name>
"Kirill A. Shutemov" <kirill@shutemov.name> writes:
> On Tue, Feb 09, 2016 at 09:41:44PM +0530, Aneesh Kumar K.V wrote:
>> With next generation power processor, we are having a new mmu model
>> [1] that require us to maintain a different linux page table format.
>>
>> Inorder to support both current and future ppc64 systems with a single
>> kernel we need to make sure kernel can select between different page
>> table format at runtime. With the new MMU (radix MMU) added, we will
>> have two different pmd hugepage size 16MB for hash model and 2MB for
>> Radix model. Hence make HPAGE_PMD related values as a variable.
>>
>> [1] http://ibm.biz/power-isa3 (Needs registration).
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
>
> I guess it should have my signed-off-by ;)
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Thanks will update. I will also update the From:
-aneesh
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next prev parent reply other threads:[~2016-02-10 2:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-09 16:11 Aneesh Kumar K.V
2016-02-09 19:42 ` Kirill A. Shutemov
2016-02-10 2:34 ` Aneesh Kumar K.V [this message]
2016-02-09 21:26 ` Andrew Morton
2016-02-09 23:14 ` Kirill A. Shutemov
2016-02-10 2:39 ` Aneesh Kumar K.V
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