parisc: add flexible mmap memory layout support
authorHelge Deller <deller@gmx.de>
Fri, 31 Jan 2014 21:19:52 +0000 (22:19 +0100)
committerHelge Deller <deller@gmx.de>
Sun, 2 Feb 2014 20:00:13 +0000 (21:00 +0100)
Add support for the flexible mmap memory layout (as described in
http://lwn.net/Articles/91829). This is especially very interesting on
parisc since we currently only support 32bit userspace (even with a
64bit Linux kernel).

Signed-off-by: Helge Deller <deller@gmx.de>

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