Even though there is a global flag to disable randomisation, it's useful to
have a per process flag too; the patch below introduces this per process flag
and automatically sets it for "new" binaries.

Eventually we will want to tie this to the legacy-va-space personality
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>