Messages in this thread |  | | | Date | Fri, 2 Sep 2011 03:17:16 +0200 | | From | Andi Kleen <> | | Subject | Re: [PATCH] thp: tail page refcounting fix #5 |
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> Calling get_page/put_pages more times than necessary is never ideal, I > imagine the biggest cost is the atomic_inc on the head page that
I've actually seen it in profile logs, but I hadn't realized it was redundant.
Have to see if it brings a benefit to hot users.
-Andi
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