Scott Wood <scottw...@freescale.com> writes: > On Mon, 2015-09-21 at 12:10 +0530, Aneesh Kumar K.V wrote: >> Hi All, >> >> This patch series attempt to update book3s 64 linux page table format to >> make it more flexible. Our current pte format is very restrictive and we >> overload multiple pte bits. This is due to the non-availability of free bits >> in pte_t. We use pte_t to track the validity of 4K subpages. This patch >> series free up pte_t of 11 bits by moving 4K subpage tracking to the >> lower half of PTE page. The pte format is updated such that we have a >> better method for identifying a pte entry at pmd level. This will also >> enable >> us to implement hugetlb migration(not yet done in this series). >> >> Before making the changes to the pte format, I am splitting the >> pte header definition such that we now have the below layout for headers >> >> book3s >> 32 >> hash.h pgtable.h >> 64 >> hash.h pgtable.h hash-4k.h hash-64k.h >> booke >> 32 >> pgtable.h pte-40x.h pte-44x.h pte-8xx.h pte-fsl-booke.h >> 64 >> pgtable-4k.h pgtable-64k.h pgtable.h > > 40x and 8xx are not booke. Is there a better name that can be used for this > directory? Maybe "nohash", similar to arch/powerpc/mm/tlb_nohash.c? >
I looked at Documentation/powerpc/cpu_families.txt to name the headers. It lists then below booke. -aneesh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev