lkml.org 
[lkml]   [2009]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2] NOMMU: add support for Memory Protection Units (MPU)
Date
Bernd Schmidt <bernds_cb1@t-online.de> wrote:

> No page table, just three bitmaps (r/w/x), with one bit per page, per mm.

That sounds a bit inefficient as you have to make three accesses per page. I
suppose it depends on how your MPU works.

David


\
 
 \ /
  Last update: 2009-07-15 12:37    [from the cache]
©2003-2011 Jasper Spaans