lkml.org 
[lkml]   [2006]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Patch to reorder functions in the vmlinux to a defined order
Date
On Thursday 23 February 2006 17:43, Arjan van de Ven wrote:
> On Thu, 2006-02-23 at 17:00 +0100, Andi Kleen wrote:
> > On Thursday 23 February 2006 16:09, Arjan van de Ven wrote:
> >
> > > This patch puts the infrastructure in place to allow for a reordering of
> > > functions based inside the vmlinux. The general idea is that it is possible
> > > to put all "common" functions into the first 2Mb of the code, so that they
> > > are covered by one TLB entry. This as opposed to the current situation where
> > > a typical vmlinux covers about 3.5Mb (on x86-64) and thus 2 TLB entries.
> > > (This patch depends on the previous patch to pin head.S as first in the order)
> >
> > I think you would first need to move the code first for that. Currently it starts
> > at 1MB, which means 1MB is already wasted of the aligned 2MB TLB entry.
> >
> > I wouldn't have a problem with moving the 64bit kernel to 2MB though.
>
> that was easy since it's a Config entry already ;)


I assume you boot tested it?

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

\
 
 \ /
  Last update: 2006-02-23 17:51    [W:0.151 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site