lkml.org 
[lkml]   [2001]   [Apr]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Suggestion for module .init.{text,data} sections
Ingo Oeser wrote:
>
> On Thu, Apr 26, 2001 at 09:49:05PM -0700, Adam J. Richter wrote:
> > A while ago, on linux-kernel, we had a discussion about
> > adding support for __initdata and __init in modules. Somebody
> > (whose name escapes me) had implemented it by essentially adding
> > a vmrealloc() facility in the kernel. I think I've thought of a
> > simpler way, that would require almost no kernel changes.
> >
> [implementation details snipped]
>
> While you are at this, you could make the .exit.{text,data}
> sections swappable for modules (by allocating swappable pages fro
> them?) and only mark them unswappable, while the module is
> exiting.
>
> Rationale: A device needed for swaping will never call exit
> stuff, because it is still in use. So I see no obvious race here.
>
> Regards

__exit functions and data are usually too small to make the effort worth
it. __init functions and data on the other hand could be quite large,
if they contain firmware data for example.

--

Brian Gerst
-
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: 2005-03-22 12:52    [W:0.145 / U:0.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site