On Mon, 2009-07-20 at 10:10 +0200, Nick Piggin wrote: > > Maybe I don't understand your description correctly. The TLB contains > PMDs, but you say the HW still logically performs another translation > step using entries in the PMD pages? If I understand that correctly, > then generic mm does not actually care and would logically fit better > if those entries were "linux ptes".
They are :-) > The pte invalidation routines > give the virtual address, which you could use to invalidate the TLB. For PTEs, yes, but not for those PMD entries. IE. I need the virtual address when destroying PMDs so that I can invalidate those "indirect" pages. PTEs are already taken care of by existing mechanisms. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev