[PATCH 1/3] ARM: move .vectors and .stubs sections back into the kernel VMA

[Nicolas Pitre]

On Wed, 3 Feb 2016, Russell King - ARM Linux wrote:

> On Tue, Feb 02, 2016 at 02:19:32PM +0100, Ard Biesheuvel wrote:
> > The sections themselves are emitted 4 KB apart, as required:
> >   ...
> >   [16] .stubs       PROGBITS   c0c35000 a35000 0002c0 00  AX  0   0 32
> >   [17] .vectors     PROGBITS   c0c34000 a44000 000020 00  AX  0   0  2
> >   ...
> 
> ... which means we end up wasting most of a page for absolutely no
> purpose what so ever.  Sorry, I'm really not happy about this
> gratuitous wastage.

In practice this shouldn't make much of a difference given zImage is 
compressed and large zero filled areas compress very well.

But this is not nice for XIP though.


Nicolas