Andi -- I realized the problem soon after the original patch, and submitted another patch to make these per cpu counters. http://patchwork.ozlabs.org/patch/124213/ However, looks like that fell through the cracks. Andreas, Ted -- could you please take a look at that patch? Andi -- perhaps you could patch it in and check if you still see the hot cache line? On Fri, Mar 23, 2012 at 8:13 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote: >> The patch only disables the statistics counting, but not the sysfs >> files that will now report bogus statistics. I don't disagree with >> disabling these stats, but if you are disabling the accounting you >> should also comment out the functions in fs/ext4/super.c that are >> printing out these statistics. > > Aware of that -- that is why it was just a RFC. > The choice is between per cpu counters or completely removing them. > I would prefer the later. > > -Andi > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Regards, Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html