lkml.org 
[lkml]   [2002]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: fix CONFIG_HIGHPTE

> Sharing the logical page table doesn't mean you'll have to do
> the same for the PPC hashed page table...

We have an optimisation where we store information in the linux pte that
lets us find the hashtable pte. If that one to one relationship is lost
we may need to search the primary and secondary group which could be
up to 16 hypervisor calls when running in logical partitioned mode.

We could start sharing hashtable ptes but thats going to require a fair
amount of work.

Anton
-
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 13:22    [from the cache]
©2003-2011 Jasper Spaans