On Tue, 2016-07-26 at 19:52 +0200, LEROY Christophe wrote: > In ppc8xx tlbmiss handler, we consider a page valid if both > _PAGE_PRESENT and _PAGE_ACCESSED are set. > Is there any chance to have _PAGE_ACCESSED set and not _PAGE_PRESENT ? > Otherwise we could simplify the handler by considering the page valid > only when _PAGE_ACCESSED is set
When _PAGE_PRESENT is not set, the PTE becomes a swap PTE and a pile of the other bits can be repurposed, you may want to verify if _PAGE_ACCESSED is one of them. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
