On Wed, 02 May 2012 12:20:40 +0200, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > On Wed, 2012-05-02 at 14:21 +0530, Nikunj A Dadhania wrote: > > [root@krm1 linux]# grep HAVE_RCU_TABLE .config > > CONFIG_HAVE_RCU_TABLE_FREE=y > > [root@krm1 linux]# make -j32 -s > > mm/memory.c: In function ‘tlb_remove_table_one’: > > mm/memory.c:315: error: implicit declaration of function ‘__tlb_remove_table’ > > > > I suppose we need to have __tlb_remove_table. Trying to understand what > > needs to be done there. > > Argh, I really should get back to unifying all mmu-gather > implementations :/ > > I think something like the below ought to sort it. > Thanks a lot. > Completely untested though.. > Tested-by: Nikunj A Dadhania <nikunj@xxxxxxxxxxxxxxxxxx> Here is the comparison with the other version. Gang pv_spin_flush pv_spin_flush_rcu 1VM 1.01 0.49 0.49 2VMs 7.07 4.04 4.06 4VMs 9.07 5.27 5.19 8VMs 9.99 7.65 7.80 Will test other use cases as well and report back. Regards Nikunj -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
