[PATCH v5 2/7] powerpc/vmlinux.lds: Align __init_begin to 16M

[David Laight]

From: Balbir Singh
> Sent: 28 June 2017 18:04
> For CONFIG_STRICT_KERNEL_RWX align __init_begin to 16M.
> We use 16M since its the larger of 2M on radix and 16M
> on hash for our linear mapping. The plan is to have
> .text, .rodata and everything upto __init_begin marked
> as RX. Note we still have executable read only data.
> We could further align rodata to another 16M boundary.
> I've used keeping text plus rodata as read-only-executable
> as a trade-off to doing read-only-executable for text and
> read-only for rodata.
...

Doesn't this go against 'address space randomisation'?
(Yes I realise a PIC kernel is probably non-trivial to compile
and load.)

	David