Messages in this thread | | | Date | Tue, 30 Apr 2013 10:34:33 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH 1/2] Make the batch size of the percpu_counter configurable |
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> > 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?
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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