On Tue, 2014-02-11 at 17:07 +0000, Mel Gorman wrote: > On Tue, Feb 11, 2014 at 04:04:55PM +0530, Aneesh Kumar K.V wrote: > > From: "Aneesh Kumar K.V" <aneesh.ku...@linux.vnet.ibm.com> > > > > Archs like ppc64 doesn't do tlb flush in set_pte/pmd functions. ppc64 also > > doesn't implement > > flush_tlb_range. ppc64 require the tlb flushing to be batched within ptl > > locks. The reason > > to do that is to ensure that the hash page table is in sync with linux page > > table. > > We track the hpte index in linux pte and if we clear them without flushing > > hash and drop the > > ptl lock, we can have another cpu update the pte and can end up with double > > hash. We also want > > to keep set_pte_at simpler by not requiring them to do hash flush for > > performance reason. > > Hence cannot use them while updating _PAGE_NUMA bit. Add new functions for > > marking pte/pmd numa > > > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > > Acked-by: Mel Gorman <mgor...@suse.de> >
How do you guys want me to proceed ? Will you (or Andrew) send these to Linus or should I do it myself ? Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
