Messages in this thread | | | Date | Wed, 30 Nov 2011 08:44:24 +0800 | From | Wu Fengguang <> | Subject | Re: [PATCH 6/9] readahead: add /debug/readahead/stats |
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> This looks all inherently racy (which doesn't matter much as you suggest) > so I just wanted to suggest that if you used per-cpu counters you'd get > race-free and faster code at the cost of larger data structures and using > percpu_counter_add() instead of ++ (which doesn't seem like a big > complication to me).
No problem. I'll switch to per-cpu counters in next post.
Thanks, Fengguang
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