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Subject: Re: [patch 2/5] mm: fault vs invalidate/truncate race fix
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@osdl.org>, Nick Piggin <npiggin@suse.de>,
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> Without looking at any code, perhaps we could instead run get_user_pages
> and copy the memory that way.

I have a deep hatred for get_user_pages().... maybe not totally rational
though :) It will also only work with things that are actually backed up
by struct page. Is that ok in your case ?

Ben.