Re: [PATCH 1/2] Make the batch size of the percpu_counterconfigurable

From: Andi Kleen
Date: Tue Apr 30 2013 - 13:34:51 EST

> > What is this for and why does it have that alignmend?
> I was assuming that if batch is frequently referenced, it probably
> should not share a cache line with the counters field.

As long as they are both read-mostly it should be fine to share
(cache line will just be SHARED)

Padding would be only useful if one gets changed regularly.
I don't think that's the case here?


ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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