On 07/16/2013 04:36 PM, Wanpeng Li wrote: > On Tue, Jul 16, 2013 at 08:53:04AM -0700, Dave Hansen wrote: >> I was investigating some TLB flush scaling issues and realized >> that we do not have any good methods for figuring out how many >> TLB flushes we are doing. >> >> It would be nice to be able to do these in generic code, but the >> arch-independent calls don't explicitly specify whether we >> actually need to do remote flushes or not. In the end, we really >> need to know if we actually _did_ global vs. local invalidations, >> so that leaves us with few options other than to muck with the >> counters from arch-specific code. >> >> Signed-off-by: Dave Hansen >> > There is no context in the patch? Weird. I've attached another copy and I'll resent to the mailing list.