linux-kernel - Re: [patch 4/5] mm: add vm_insert

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Message-Id: <1160427785.7752.19.camel@localhost.localdomain>
Date:	Tue, 10 Oct 2006 07:03:05 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Hugh Dickins <hugh@...itas.com>,
	Linux Memory Management <linux-mm@...ck.org>,
	Andrew Morton <akpm@...l.org>, Jes Sorensen <jes@....com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch 4/5] mm: add vm_insert_pfn helpler


> +	vma->vm_flags |= VM_PFNMAP;

I wouldn't do that here. I would keep that to the caller (and set it
before setting the PTE along with a wmb maybe to make sure it's visible
before the PTE no ?)

Cheers,
Ben.


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