lkml.org 
[lkml]   [2008]   [Apr]   [9]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Does Linux have plan to support memory hole remapping?
FromKasper Sandberg <>
DateThu, 10 Apr 2008 02:34:47 +0200
On Wed, 2008-04-09 at 10:54 +0200, Ingo Molnar wrote:
[..]
> 
> having said that - but we'll still consider sane looking patches that 
> allow the remapping of otherwise inactive RAM. [ We might not even have 
> to touch the system chipset beyond what Linux already knows about it: in 
A somewhat related question is.. How come linux does not(as i understand
it) support talking to the chipsets to do these things? wouldnt this
also give other benefits, such as being able to more precisely control
interrupts and stuff?

> theory someone might want to try a hack to GART remap such RAM areas and 
> use a sparse mem map entry to map it to Linux - if the identity of that 
> RAM is crystal-clear and there's enough GART space available. But even 
> then it's probably still at best a dangerous and fragile hack. ]
> 
> 	Ingo
> --
> 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: 2008-04-10 02:39    [from the cache]
©2003-2008