lkml.org 
[lkml]   [2005]   [Dec]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Memory corruption & SCSI in 2.6.15

[ I applied Brian's patch, so hopefully it was the same issue, and current
git doesn't show this problem any more ]

On Tue, 13 Dec 2005, Benjamin Herrenschmidt wrote:
>
> > Also, enabling DEBUG_PAGEALLOC might help, but that's not available on
> > powerpc.
>
> Remind me what is needed to get that working ? Unmapping of linear
> mapping pages ? (I suppose I could do that if I also disable using large
> pages for it).

Yes, basically you'd have to allow the kernel mapping being unmapped one
page at a time.

And yes, it's inefficient. Don't use it for performance measurements ;)

Linus
-
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: 2009-11-18 23:46    [W:0.063 / U:0.660 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site