Re: [PATCH RFC] mm: protect suid binaries against rowhammer with copy-on-read mappings

From: Dave Hansen
Date: Wed Mar 18 2015 - 11:45:39 EST


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.
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