lkml.org 
[lkml]   [2013]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] arm64: add PAGE_ALIGNED_DATA to linker script
From
Date
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




\
 
 \ /
  Last update: 2013-10-11 14:41    [W:0.097 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site