On Thu, Jun 01, 2006 at 03:29:37PM -0400, Chris Dumoulin wrote: > Does the idea of creating pinned TLB entries (ones that will never be > overwritten) make sense for a PPC4xx (specifically PPC405) 2.6 linux > kernel? If so, how would this be accomplished?
44x kernel already pins some TLB entries, 40x may use this approach to increase performance (I use this in my internal 2.4 tree quite successfully). Old 2.4 trees (linuxppc-2.4 or devel_2_4) have TLB pinning support for 40x, you can look at the implementation there. -- Eugene