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Date: Wed, 18 Mar 2015 08:45:33 -0700
From: Dave Hansen <dave.hansen@intel.com>
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To: Konstantin Khlebnikov <koct9i@gmail.com>
CC: "linux-mm@kvack.org" <linux-mm@kvack.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andy Lutomirski <luto@amacapital.net>
Subject: Re: [PATCH RFC] mm: protect suid binaries against rowhammer with
 copy-on-read mappings
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On 03/18/2015 08:08 AM, Konstantin Khlebnikov wrote:
> It seems the only option is memory zoning: kernel should allocate all
> normal memory for userspace from isolated area which is kept far far
> away from important data.

Yeah, except that the kernel has a pretty hard time telling which data
is important.