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Subject: Re: [PATCH v7 1/7] mm: add definition of PMD_PAGE_ORDER
To: Mike Rapoport <rppt@kernel.org>, Andrew Morton <akpm@linux-foundation.org>
References: <20201026083752.13267-1-rppt@kernel.org>
 <20201026083752.13267-2-rppt@kernel.org>
From: David Hildenbrand <david@redhat.com>
Organization: Red Hat GmbH
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Date: Tue, 27 Oct 2020 09:26:30 +0100
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On 26.10.20 09:37, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
> 
> The definition of PMD_PAGE_ORDER denoting the number of base pages in the
> second-level leaf page is already used by DAX and maybe handy in other
> cases as well.
> 
> Several architectures already have definition of PMD_ORDER as the size of
> second level page table, so to avoid conflict with these definitions use
> PMD_PAGE_ORDER name and update DAX respectively.
> 
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

Reviewed-by: David Hildenbrand <david@redhat.com>


-- 
Thanks,

David / dhildenb
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