Re: [PATCH] arm64: add PAGE_ALIGNED_DATA to linker script

[Mark Salter]

On Fri, 2013-10-11 at 08:18 -0400, Mark Salter wrote:
> On Wed, 2013-10-09 at 11:14 +0100, Will Deacon wrote:
> > > @@ -110,6 +110,7 @@ SECTIONS
> > >                */
> > >               INIT_TASK_DATA(THREAD_SIZE)
> > >               NOSAVE_DATA
> > > +             PAGE_ALIGNED_DATA(PAGE_SIZE)
> > >               CACHELINE_ALIGNED_DATA(64)
> > >               READ_MOSTLY_DATA(64)
> > 
> > Can we just replace this chunk with RW_DATA_SECTION(64, PAGE_SIZE,
> > THREAD_SIZE) instead?
> > 
> 
> I took a look at this. It can be done, but the RW_DATA_SECTION aligns
> data to PAGE_SIZE where the existing alignment is THREAD_SIZE. So using
> RW_DATA_SECTION would waste some space if using 64K pagesize.
> 
> --Mark

So where do we stand with this one?


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/