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Date: Fri, 25 Aug 2017 09:02:36 -0700
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH v6 3/5] mm: introduce mmap3 for safely defining new mmap
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To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: linux-xfs@vger.kernel.org, Jan Kara <jack@suse.cz>, linux-parisc@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, "linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>, Linux API <linux-api@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Christoph Hellwig <hch@infradead.org>, Linux MM <linux-mm@kvack.org>, Andy Lutomirski <luto@kernel.org>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
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On Fri, Aug 25, 2017 at 06:58:03PM +0300, Kirill A. Shutemov wrote:
> Not all archs are ready for this:
> 
> arch/parisc/include/uapi/asm/mman.h:#define MAP_TYPE    0x03            /* Mask for type of mapping */
> arch/parisc/include/uapi/asm/mman.h:#define MAP_FIXED   0x04            /* Interpret addr exactly */

I'd be happy to say that we should not care about parisc for
persistent memory.  We'll just have to find a way to exclude
parisc without making life too ugly.
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