On Wed, Mar 13, 2019 at 12:00:17PM -0400, Johannes Weiner wrote: > On Tue, Mar 12, 2019 at 03:34:02PM -0700, Roman Gushchin wrote: > > Flush percpu stats and events data to corresponding before releasing > > percpu memory. > > > > Although per-cpu stats are never exactly precise, dropping them on > > floor regularly may lead to an accumulation of an error. So, it's > > safer to flush them before releasing. > > > > To minimize the number of atomic updates, let's sum all stats/events > > on all cpus locally, and then make a single update per entry. > > > > Signed-off-by: Roman Gushchin <guro@xxxxxx> > > Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> > > Do you mind merging 6/6 into this one? That would make it easier to > verify that the code added in this patch and the code removed in 6/6 > are indeed functionally equivalent. > I did try, but the result is the mess of added and removed lines, which are *almost* the same, but are slightly different (e.g. tabs). So it's much easier to review it as two separate patches. Thanks!
