Re: [patch 3/3] vmstat: Create our own workqueue

From: Christoph Lameter
Date: Mon Nov 02 2015 - 11:13:12 EST


On Sat, 31 Oct 2015, Tetsuo Handa wrote:

> Then, you need to update below description (or drop it) because
> patch 3/3 alone will not guarantee that the counters are up to date.

The vmstat system does not guarantee that the counters are up to date
always. The whole point is the deferral of updates for performance
reasons. They are updated *at some point* within stat_interval. That needs
to happen and that is what this patchset is fixing.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/