Re: [PATCH 1/2] mm: Make vm_get_page_prot arch specific.

From	"Kirill A. Shutemov" <kirill@shutemov.name>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/2] mm: Make vm_get_page_prot arch specific.
Date	2016-02-08 09:20 +0100
Message-ID	<qZPd9-2z8-11@gated-at.bofh.it> (permalink)
References	<qZNO2-1ws-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, Feb 08, 2016 at 12:10:59PM +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 to dynamically switch between different protection map. Hence
> override vm_get_page_prot instead of using arch_vm_get_page_prot. We
> also drop arch_vm_get_page_prot since only powerpc used it.
> 
> [1] http://ibm.biz/power-isa3 (Needs registration).
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

-- 
 Kirill A. Shutemov

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[PATCH 1/2] mm: Make vm_get_page_prot arch specific. "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2016-02-08 07:50 +0100
  [PATCH 2/2] mm: Some arch may want to use HPAGE_PMD related values as variables "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2016-02-08 07:50 +0100
    Re: [PATCH 2/2] mm: Some arch may want to use HPAGE_PMD related  values as variables "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-02-08 09:50 +0100
  Re: [PATCH 1/2] mm: Make vm_get_page_prot arch specific. "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-02-08 09:20 +0100

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